From 8d027ccafffd7a15c0994390a805a5577adeb979 Mon Sep 17 00:00:00 2001
From: Shahzad Malik Muzaffar <shahzad.malik.muzaffar@cern.ch>
Date: Fri, 22 Nov 2024 18:16:45 +0100
Subject: [PATCH] [ANALYSIS] py2/3 compatibility:drop use of __future__

---
 DPGAnalysis/SiStripTools/test/MultiplicityMonitor_cfg.py        | 1 -
 .../MuonAssociators/python/patMuonsWithTrigger_8E29_cff.py      | 1 -
 MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_cff.py  | 1 -
 PhysicsTools/FWLite/scripts/newFWLiteAna.py                     | 1 -
 PhysicsTools/Heppy/python/analyzers/core/Analyzer.py            | 1 -
 PhysicsTools/Heppy/python/analyzers/core/AutoHandle.py          | 1 -
 PhysicsTools/Heppy/python/analyzers/core/EventSelector.py       | 1 -
 PhysicsTools/Heppy/python/analyzers/core/ProvenanceAnalyzer.py  | 1 -
 PhysicsTools/Heppy/python/analyzers/core/SkimAnalyzerCount.py   | 1 -
 PhysicsTools/Heppy/python/analyzers/core/TreeAnalyzerNumpy.py   | 1 -
 PhysicsTools/Heppy/python/analyzers/core/TriggerBitAnalyzer.py  | 1 -
 .../Heppy/python/analyzers/core/TriggerMatchAnalyzer.py         | 1 -
 PhysicsTools/Heppy/python/analyzers/examples/MetAnalyzer.py     | 1 -
 .../Heppy/python/analyzers/examples/SimpleTreeAnalyzer.py       | 1 -
 PhysicsTools/Heppy/python/analyzers/examples/TriggerAnalyzer.py | 1 -
 PhysicsTools/Heppy/python/analyzers/examples/ZEleEleAnalyzer.py | 1 -
 .../Heppy/python/analyzers/examples/ZJetsTreeAnalyzer.py        | 1 -
 PhysicsTools/Heppy/python/analyzers/examples/ZMuMuAnalyzer.py   | 1 -
 PhysicsTools/Heppy/python/analyzers/examples/ntuple.py          | 1 -
 PhysicsTools/Heppy/python/analyzers/gen/GeneratorAnalyzer.py    | 1 -
 PhysicsTools/Heppy/python/analyzers/objects/IsoTrackAnalyzer.py | 1 -
 PhysicsTools/Heppy/python/analyzers/objects/JetAnalyzer.py      | 1 -
 PhysicsTools/Heppy/python/analyzers/objects/LeptonAnalyzer.py   | 1 -
 PhysicsTools/Heppy/python/analyzers/objects/PhotonAnalyzer.py   | 1 -
 PhysicsTools/Heppy/python/analyzers/objects/VertexAnalyzer.py   | 1 -
 PhysicsTools/Heppy/python/loadlibs.py                           | 1 -
 PhysicsTools/Heppy/python/physicsobjects/Photon.py              | 1 -
 PhysicsTools/Heppy/python/physicsutils/BTagSF.py                | 1 -
 PhysicsTools/Heppy/python/physicsutils/BTagWeightCalculator.py  | 1 -
 PhysicsTools/Heppy/python/physicsutils/EnergyCorrector.py       | 1 -
 PhysicsTools/Heppy/python/physicsutils/JetReCalibrator.py       | 1 -
 .../Heppy/python/physicsutils/QGLikelihoodCalculator.py         | 1 -
 PhysicsTools/Heppy/python/physicsutils/TauDecayModes.py         | 1 -
 PhysicsTools/Heppy/python/utils/cmsswPreprocessor.py            | 1 -
 PhysicsTools/Heppy/python/utils/miniAodFiles.py                 | 1 -
 PhysicsTools/Heppy/python/utils/rltinfo.py                      | 1 -
 PhysicsTools/Heppy/scripts/cmsBatch.py                          | 1 -
 PhysicsTools/Heppy/scripts/cmsStageWithFailover.py              | 1 -
 PhysicsTools/Heppy/scripts/heppy_report.py                      | 1 -
 PhysicsTools/Heppy/test/crab/heppy_crab_script.py               | 1 -
 PhysicsTools/Heppy/test/example_autofill_multipleTrees.py       | 1 -
 PhysicsTools/Heppy/test/simple_example_cfg.py                   | 1 -
 PhysicsTools/HeppyCore/python/analyzers/CMSTestAnalyzer.py      | 1 -
 PhysicsTools/HeppyCore/python/analyzers/Printer.py              | 1 -
 PhysicsTools/HeppyCore/python/framework/analyzer.py             | 1 -
 PhysicsTools/HeppyCore/python/framework/chain_test.py           | 1 -
 PhysicsTools/HeppyCore/python/framework/config.py               | 2 --
 PhysicsTools/HeppyCore/python/framework/config_test.py          | 1 -
 PhysicsTools/HeppyCore/python/framework/eventsfwlite.py         | 1 -
 PhysicsTools/HeppyCore/python/framework/eventstfile_test.py     | 1 -
 PhysicsTools/HeppyCore/python/framework/heppy_loop.py           | 1 -
 PhysicsTools/HeppyCore/python/framework/looper.py               | 2 --
 .../HeppyCore/python/framework/services/service_test.py         | 1 -
 PhysicsTools/HeppyCore/python/framework/weight.py               | 1 -
 PhysicsTools/HeppyCore/python/statistics/average_test.py        | 1 -
 PhysicsTools/HeppyCore/python/statistics/counter_test.py        | 1 -
 PhysicsTools/HeppyCore/python/statistics/tree_test.py           | 1 -
 PhysicsTools/HeppyCore/python/statistics/value_test.py          | 1 -
 PhysicsTools/HeppyCore/python/utils/addToDatasets.py            | 1 -
 PhysicsTools/HeppyCore/python/utils/batchmanager.py             | 2 --
 PhysicsTools/HeppyCore/python/utils/castorBaseDir.py            | 2 --
 PhysicsTools/HeppyCore/python/utils/das.py                      | 1 -
 PhysicsTools/HeppyCore/python/utils/dataset.py                  | 2 --
 PhysicsTools/HeppyCore/python/utils/datasetToSource.py          | 1 -
 PhysicsTools/HeppyCore/python/utils/dataset_test.py             | 1 -
 PhysicsTools/HeppyCore/python/utils/diclist_test.py             | 1 -
 PhysicsTools/HeppyCore/python/utils/edmIntegrityCheck.py        | 2 --
 PhysicsTools/HeppyCore/python/utils/eostools.py                 | 1 -
 PhysicsTools/HeppyCore/python/utils/logger.py                   | 2 --
 PhysicsTools/HeppyCore/python/utils/production_tasks.py         | 2 --
 PhysicsTools/HeppyCore/python/utils/testtree.py                 | 1 -
 PhysicsTools/HeppyCore/scripts/edmIntegrityCheck.py             | 1 -
 PhysicsTools/HeppyCore/scripts/heppy_batch.py                   | 1 -
 PhysicsTools/HeppyCore/scripts/heppy_check.py                   | 1 -
 PhysicsTools/HeppyCore/scripts/heppy_hadd.py                    | 1 -
 PhysicsTools/JetMCAlgos/test/testttHFGenFilter.py               | 1 -
 PhysicsTools/PatExamples/bin/PatBasicFWLiteAnalyzer.py          | 1 -
 PhysicsTools/PythonAnalysis/examples/MCTruth.py                 | 1 -
 PhysicsTools/PythonAnalysis/examples/MCTruth2.py                | 1 -
 PhysicsTools/PythonAnalysis/examples/interactiveExample.py      | 1 -
 PhysicsTools/PythonAnalysis/python/ParticleDecayDrawer.py       | 1 -
 PhysicsTools/PythonAnalysis/python/__init__.py                  | 1 -
 PhysicsTools/PythonAnalysis/python/cmscompleter.py              | 2 --
 PhysicsTools/PythonAnalysis/python/cmstools.py                  | 2 --
 PhysicsTools/PythonAnalysis/python/diffProv.py                  | 1 -
 PhysicsTools/PythonAnalysis/python/rootplot/__init__.py         | 1 -
 PhysicsTools/PythonAnalysis/python/rootplot/core.py             | 2 --
 PhysicsTools/PythonAnalysis/python/rootplot/rootinfo.py         | 2 --
 PhysicsTools/PythonAnalysis/python/rootplot/rootmath.py         | 2 --
 PhysicsTools/PythonAnalysis/python/rootplot/tree2hists.py       | 1 -
 PhysicsTools/PythonAnalysis/python/rootplot/utilities.py        | 1 -
 PhysicsTools/PythonAnalysis/test/test.py                        | 1 -
 PhysicsTools/PythonAnalysis/test/testNumExpr.py                 | 1 -
 PhysicsTools/PythonAnalysis/test/testPandas.py                  | 1 -
 PhysicsTools/PythonAnalysis/test/testUncertainties.py           | 1 -
 PhysicsTools/PythonAnalysis/test/testXGBoost_and_sklearn.py     | 1 -
 PhysicsTools/TagAndProbe/test/utilities/dumpPileup.py           | 1 -
 TopQuarkAnalysis/Configuration/test/TestForTTGenEvents.py       | 1 -
 TopQuarkAnalysis/Configuration/test/patRefSel_muJets_cfg.py     | 1 -
 .../TopEventProducers/python/producers/TtDecaySelection_cfi.py  | 1 -
 .../TopEventProducers/python/sequences/ttGenEventFilters_cff.py | 1 -
 .../python/stringResolutions_etEtaPhi_Fall11_cff.py             | 1 -
 .../python/stringResolutions_etEtaPhi_Spring10_cff.py           | 1 -
 .../python/stringResolutions_etEtaPhi_Summer11_cff.py           | 1 -
 .../python/stringResolutions_etEtaPhi_cff.py                    | 1 -
 .../TopSkimming/python/TtFullyHadronicFilter_cfi.py             | 1 -
 .../TopSkimming/python/TtFullyLeptonicFilter_cfi.py             | 1 -
 TopQuarkAnalysis/TopSkimming/python/TtSemiLeptonicFilter_cfi.py | 1 -
 108 files changed, 121 deletions(-)

diff --git a/DPGAnalysis/SiStripTools/test/MultiplicityMonitor_cfg.py b/DPGAnalysis/SiStripTools/test/MultiplicityMonitor_cfg.py
index 2ad8e34df7113..c9e238daf702b 100644
--- a/DPGAnalysis/SiStripTools/test/MultiplicityMonitor_cfg.py
+++ b/DPGAnalysis/SiStripTools/test/MultiplicityMonitor_cfg.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import FWCore.ParameterSet.Config as cms
 import FWCore.ParameterSet.VarParsing as VarParsing
 
diff --git a/MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_8E29_cff.py b/MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_8E29_cff.py
index 6cb28818387f9..4486eb5646ed8 100644
--- a/MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_8E29_cff.py
+++ b/MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_8E29_cff.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 print("MuonAnalysis.MuonAssociators.patMuonsWithTrigger_8E29_cff is deprecated.\nUse use MuonAnalysis.MuonAssociators.patMuonsWithTrigger_cff instead.\n")
 
 from MuonAnalysis.MuonAssociators.patMuonsWithTrigger_cff import *
diff --git a/MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_cff.py b/MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_cff.py
index 6fa1cdefcb803..fad71d7c4826c 100644
--- a/MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_cff.py
+++ b/MuonAnalysis/MuonAssociators/python/patMuonsWithTrigger_cff.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import FWCore.ParameterSet.Config as cms
 
 ##    __  __       _          ____   _  _____   __  __
diff --git a/PhysicsTools/FWLite/scripts/newFWLiteAna.py b/PhysicsTools/FWLite/scripts/newFWLiteAna.py
index 3612b46d46a90..27a70553addf7 100755
--- a/PhysicsTools/FWLite/scripts/newFWLiteAna.py
+++ b/PhysicsTools/FWLite/scripts/newFWLiteAna.py
@@ -1,6 +1,5 @@
 #! /usr/bin/env python3
 
-from __future__ import print_function
 from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
 import os
 import sys
diff --git a/PhysicsTools/Heppy/python/analyzers/core/Analyzer.py b/PhysicsTools/Heppy/python/analyzers/core/Analyzer.py
index 328d884a6270a..bebaddddcdd09 100644
--- a/PhysicsTools/Heppy/python/analyzers/core/Analyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/core/Analyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import os 
 import logging 
 
diff --git a/PhysicsTools/Heppy/python/analyzers/core/AutoHandle.py b/PhysicsTools/Heppy/python/analyzers/core/AutoHandle.py
index 02ec275ec0c19..05a5b853474cf 100644
--- a/PhysicsTools/Heppy/python/analyzers/core/AutoHandle.py
+++ b/PhysicsTools/Heppy/python/analyzers/core/AutoHandle.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 #ROOTTOOLS
 from DataFormats.FWLite import Events, Handle
         
diff --git a/PhysicsTools/Heppy/python/analyzers/core/EventSelector.py b/PhysicsTools/Heppy/python/analyzers/core/EventSelector.py
index 34fbece883d2e..419d1129ca044 100644
--- a/PhysicsTools/Heppy/python/analyzers/core/EventSelector.py
+++ b/PhysicsTools/Heppy/python/analyzers/core/EventSelector.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.HeppyCore.framework.analyzer import Analyzer
 
 
diff --git a/PhysicsTools/Heppy/python/analyzers/core/ProvenanceAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/core/ProvenanceAnalyzer.py
index ab61f6b1bc819..68c0fd9a24a07 100644
--- a/PhysicsTools/Heppy/python/analyzers/core/ProvenanceAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/core/ProvenanceAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from builtins import range
 import itertools
 
diff --git a/PhysicsTools/Heppy/python/analyzers/core/SkimAnalyzerCount.py b/PhysicsTools/Heppy/python/analyzers/core/SkimAnalyzerCount.py
index f705c51665ca8..f43b635ad72ec 100644
--- a/PhysicsTools/Heppy/python/analyzers/core/SkimAnalyzerCount.py
+++ b/PhysicsTools/Heppy/python/analyzers/core/SkimAnalyzerCount.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import itertools
 
 from PhysicsTools.Heppy.analyzers.core.Analyzer import Analyzer
diff --git a/PhysicsTools/Heppy/python/analyzers/core/TreeAnalyzerNumpy.py b/PhysicsTools/Heppy/python/analyzers/core/TreeAnalyzerNumpy.py
index 722044946e6c7..36318789aed17 100644
--- a/PhysicsTools/Heppy/python/analyzers/core/TreeAnalyzerNumpy.py
+++ b/PhysicsTools/Heppy/python/analyzers/core/TreeAnalyzerNumpy.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.Heppy.analyzers.core.Analyzer import Analyzer
 from PhysicsTools.HeppyCore.statistics.tree import Tree as Tree
 from ROOT import TFile
diff --git a/PhysicsTools/Heppy/python/analyzers/core/TriggerBitAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/core/TriggerBitAnalyzer.py
index 5cbc62e741c10..88fada3786029 100644
--- a/PhysicsTools/Heppy/python/analyzers/core/TriggerBitAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/core/TriggerBitAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import ROOT
 
 from PhysicsTools.Heppy.analyzers.core.Analyzer import Analyzer
diff --git a/PhysicsTools/Heppy/python/analyzers/core/TriggerMatchAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/core/TriggerMatchAnalyzer.py
index f3f79e08e08dc..3bf49c5d5bf13 100644
--- a/PhysicsTools/Heppy/python/analyzers/core/TriggerMatchAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/core/TriggerMatchAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import ROOT
 
 from PhysicsTools.Heppy.analyzers.core.Analyzer import Analyzer
diff --git a/PhysicsTools/Heppy/python/analyzers/examples/MetAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/examples/MetAnalyzer.py
index fece5fd6ecde2..7e6b31228e895 100644
--- a/PhysicsTools/Heppy/python/analyzers/examples/MetAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/examples/MetAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import copy
 from PhysicsTools.HeppyCore.framework.analyzer import Analyzer
 from PhysicsTools.Heppy.analyzers.AutoHandle import AutoHandle
diff --git a/PhysicsTools/Heppy/python/analyzers/examples/SimpleTreeAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/examples/SimpleTreeAnalyzer.py
index 9c44cfc3eec0c..5b162eba8d200 100644
--- a/PhysicsTools/Heppy/python/analyzers/examples/SimpleTreeAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/examples/SimpleTreeAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 from PhysicsTools.Heppy.analyzers.core.TreeAnalyzerNumpy import TreeAnalyzerNumpy
 from . import ntuple
 
diff --git a/PhysicsTools/Heppy/python/analyzers/examples/TriggerAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/examples/TriggerAnalyzer.py
index 71b9ac203379c..91d1e7b169f43 100644
--- a/PhysicsTools/Heppy/python/analyzers/examples/TriggerAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/examples/TriggerAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.HeppyCore.framework.analyzer import Analyzer
 from PhysicsTools.Heppy.analyzers.AutoHandle import AutoHandle
 from PhysicsTools.HeppyCore.statistics.counter import Counter
diff --git a/PhysicsTools/Heppy/python/analyzers/examples/ZEleEleAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/examples/ZEleEleAnalyzer.py
index ba449924928f2..f4ae8bda6dece 100644
--- a/PhysicsTools/Heppy/python/analyzers/examples/ZEleEleAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/examples/ZEleEleAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.Heppy.analyzers.DiLeptonAnalyzer import DiLeptonAnalyzer
 from PhysicsTools.Heppy.analyzers.AutoHandle import AutoHandle
 from PhysicsTools.Heppy.physicsobjects.DiObject import DiElectron
diff --git a/PhysicsTools/Heppy/python/analyzers/examples/ZJetsTreeAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/examples/ZJetsTreeAnalyzer.py
index e652aa3358a31..801e711dece79 100644
--- a/PhysicsTools/Heppy/python/analyzers/examples/ZJetsTreeAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/examples/ZJetsTreeAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 from PhysicsTools.Heppy.analyzers.core.TreeAnalyzerNumpy import TreeAnalyzerNumpy
 from . import ntuple
 
diff --git a/PhysicsTools/Heppy/python/analyzers/examples/ZMuMuAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/examples/ZMuMuAnalyzer.py
index c567c63c964cd..0e32296803421 100644
--- a/PhysicsTools/Heppy/python/analyzers/examples/ZMuMuAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/examples/ZMuMuAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.Heppy.analyzers.DiLeptonAnalyzer import DiLeptonAnalyzer
 from PhysicsTools.Heppy.analyzers.AutoHandle import AutoHandle
 from PhysicsTools.Heppy.physicsobjects.DiObject import DiMuon
diff --git a/PhysicsTools/Heppy/python/analyzers/examples/ntuple.py b/PhysicsTools/Heppy/python/analyzers/examples/ntuple.py
index 9b398d8717702..e28f57cdacb17 100644
--- a/PhysicsTools/Heppy/python/analyzers/examples/ntuple.py
+++ b/PhysicsTools/Heppy/python/analyzers/examples/ntuple.py
@@ -1,5 +1,4 @@
 #!/bin/env python
-from __future__ import print_function
 
 def var( tree, varName, type=float ):
     tree.var(varName, type)
diff --git a/PhysicsTools/Heppy/python/analyzers/gen/GeneratorAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/gen/GeneratorAnalyzer.py
index 64ff16a6f9798..6836a76506f33 100644
--- a/PhysicsTools/Heppy/python/analyzers/gen/GeneratorAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/gen/GeneratorAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from builtins import range
 from PhysicsTools.Heppy.analyzers.core.Analyzer import Analyzer
 from PhysicsTools.Heppy.analyzers.core.AutoHandle import AutoHandle
diff --git a/PhysicsTools/Heppy/python/analyzers/objects/IsoTrackAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/objects/IsoTrackAnalyzer.py
index 9aef59928ed18..f79cc7dff61b1 100755
--- a/PhysicsTools/Heppy/python/analyzers/objects/IsoTrackAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/objects/IsoTrackAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import operator
 import itertools
 import copy
diff --git a/PhysicsTools/Heppy/python/analyzers/objects/JetAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/objects/JetAnalyzer.py
index ca8c82ec25554..f2e360965acd1 100644
--- a/PhysicsTools/Heppy/python/analyzers/objects/JetAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/objects/JetAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from builtins import range
 import math, os
 from PhysicsTools.Heppy.analyzers.core.Analyzer import Analyzer
diff --git a/PhysicsTools/Heppy/python/analyzers/objects/LeptonAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/objects/LeptonAnalyzer.py
index 5560f7eca56f2..2e4fe7e6c37d2 100644
--- a/PhysicsTools/Heppy/python/analyzers/objects/LeptonAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/objects/LeptonAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from builtins import range
 from PhysicsTools.Heppy.analyzers.core.Analyzer import Analyzer
 from PhysicsTools.Heppy.analyzers.core.AutoHandle import AutoHandle
diff --git a/PhysicsTools/Heppy/python/analyzers/objects/PhotonAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/objects/PhotonAnalyzer.py
index b00a7af7eb5d7..ee8691f1416e7 100644
--- a/PhysicsTools/Heppy/python/analyzers/objects/PhotonAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/objects/PhotonAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import operator
 import itertools
 import copy
diff --git a/PhysicsTools/Heppy/python/analyzers/objects/VertexAnalyzer.py b/PhysicsTools/Heppy/python/analyzers/objects/VertexAnalyzer.py
index c7dbac7ad4526..416c9ba224c8e 100644
--- a/PhysicsTools/Heppy/python/analyzers/objects/VertexAnalyzer.py
+++ b/PhysicsTools/Heppy/python/analyzers/objects/VertexAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import itertools
 
 from PhysicsTools.Heppy.analyzers.core.VertexHistograms import VertexHistograms
diff --git a/PhysicsTools/Heppy/python/loadlibs.py b/PhysicsTools/Heppy/python/loadlibs.py
index ce42f92fb3787..cf3ed186bc18e 100644
--- a/PhysicsTools/Heppy/python/loadlibs.py
+++ b/PhysicsTools/Heppy/python/loadlibs.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from ROOT import gROOT,gSystem
 
 def load_libs():
diff --git a/PhysicsTools/Heppy/python/physicsobjects/Photon.py b/PhysicsTools/Heppy/python/physicsobjects/Photon.py
index 52dedba80e524..c28d6eabf8694 100644
--- a/PhysicsTools/Heppy/python/physicsobjects/Photon.py
+++ b/PhysicsTools/Heppy/python/physicsobjects/Photon.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.Heppy.physicsobjects.PhysicsObject import *
 from math import exp
 import re
diff --git a/PhysicsTools/Heppy/python/physicsutils/BTagSF.py b/PhysicsTools/Heppy/python/physicsutils/BTagSF.py
index 0ad6fb33661b1..04ffd980cde3a 100644
--- a/PhysicsTools/Heppy/python/physicsutils/BTagSF.py
+++ b/PhysicsTools/Heppy/python/physicsutils/BTagSF.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 # importing the python binding to the C++ class from ROOT 
 from ROOT import heppy
 
diff --git a/PhysicsTools/Heppy/python/physicsutils/BTagWeightCalculator.py b/PhysicsTools/Heppy/python/physicsutils/BTagWeightCalculator.py
index cd8067ce8b494..01193fbd9b1c8 100644
--- a/PhysicsTools/Heppy/python/physicsutils/BTagWeightCalculator.py
+++ b/PhysicsTools/Heppy/python/physicsutils/BTagWeightCalculator.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import ROOT
 import numpy as np
 
diff --git a/PhysicsTools/Heppy/python/physicsutils/EnergyCorrector.py b/PhysicsTools/Heppy/python/physicsutils/EnergyCorrector.py
index 932006ffbbbfc..c76ab30acbeee 100644
--- a/PhysicsTools/Heppy/python/physicsutils/EnergyCorrector.py
+++ b/PhysicsTools/Heppy/python/physicsutils/EnergyCorrector.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from ROOT import TH1F, TH2F, TFile
 
 
diff --git a/PhysicsTools/Heppy/python/physicsutils/JetReCalibrator.py b/PhysicsTools/Heppy/python/physicsutils/JetReCalibrator.py
index e2bb4911af36d..3332d2520fa42 100644
--- a/PhysicsTools/Heppy/python/physicsutils/JetReCalibrator.py
+++ b/PhysicsTools/Heppy/python/physicsutils/JetReCalibrator.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from builtins import range
 import ROOT
 import os, types
diff --git a/PhysicsTools/Heppy/python/physicsutils/QGLikelihoodCalculator.py b/PhysicsTools/Heppy/python/physicsutils/QGLikelihoodCalculator.py
index 3adc2fab81510..3ee615905a56a 100644
--- a/PhysicsTools/Heppy/python/physicsutils/QGLikelihoodCalculator.py
+++ b/PhysicsTools/Heppy/python/physicsutils/QGLikelihoodCalculator.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from builtins import range
 import ROOT
 import math
diff --git a/PhysicsTools/Heppy/python/physicsutils/TauDecayModes.py b/PhysicsTools/Heppy/python/physicsutils/TauDecayModes.py
index a443957c4b4f6..a8f60cfc534d7 100644
--- a/PhysicsTools/Heppy/python/physicsutils/TauDecayModes.py
+++ b/PhysicsTools/Heppy/python/physicsutils/TauDecayModes.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 
 class TauDecayModes( object ): 
 
diff --git a/PhysicsTools/Heppy/python/utils/cmsswPreprocessor.py b/PhysicsTools/Heppy/python/utils/cmsswPreprocessor.py
index 9fa4287c1c30b..7db006b2824f8 100644
--- a/PhysicsTools/Heppy/python/utils/cmsswPreprocessor.py
+++ b/PhysicsTools/Heppy/python/utils/cmsswPreprocessor.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import os 
 import sys                                                              
 import re 
diff --git a/PhysicsTools/Heppy/python/utils/miniAodFiles.py b/PhysicsTools/Heppy/python/utils/miniAodFiles.py
index ae86ac7033dfc..c8c268da203ef 100644
--- a/PhysicsTools/Heppy/python/utils/miniAodFiles.py
+++ b/PhysicsTools/Heppy/python/utils/miniAodFiles.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.Heppy.utils.cmsswRelease import cmsswRelease, releaseNumber
 
 def miniAodFiles():
diff --git a/PhysicsTools/Heppy/python/utils/rltinfo.py b/PhysicsTools/Heppy/python/utils/rltinfo.py
index 16c0da8719806..63b689061da29 100644
--- a/PhysicsTools/Heppy/python/utils/rltinfo.py
+++ b/PhysicsTools/Heppy/python/utils/rltinfo.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from ROOT import TFile
 from PhysicsTools.HeppyCore.statistics.tree import Tree as Tree
 
diff --git a/PhysicsTools/Heppy/scripts/cmsBatch.py b/PhysicsTools/Heppy/scripts/cmsBatch.py
index 5e3151ef59ec9..44d407a333921 100755
--- a/PhysicsTools/Heppy/scripts/cmsBatch.py
+++ b/PhysicsTools/Heppy/scripts/cmsBatch.py
@@ -2,7 +2,6 @@
 # Colin
 # batch mode for cmsRun, March 2009
 
-from __future__ import print_function
 from builtins import range
 import os, sys,  imp, re, pprint, string, time,shutil,copy,pickle,math
 from optparse import OptionParser
diff --git a/PhysicsTools/Heppy/scripts/cmsStageWithFailover.py b/PhysicsTools/Heppy/scripts/cmsStageWithFailover.py
index 925654979dc5d..ca40114d141ce 100755
--- a/PhysicsTools/Heppy/scripts/cmsStageWithFailover.py
+++ b/PhysicsTools/Heppy/scripts/cmsStageWithFailover.py
@@ -2,7 +2,6 @@
 
 #this script runs cmsStage multiple times in the case where it failes for some reason
 
-from __future__ import print_function
 from builtins import range
 if __name__ == '__main__':
 
diff --git a/PhysicsTools/Heppy/scripts/heppy_report.py b/PhysicsTools/Heppy/scripts/heppy_report.py
index ff63e2e5df708..9e27cd05ac080 100755
--- a/PhysicsTools/Heppy/scripts/heppy_report.py
+++ b/PhysicsTools/Heppy/scripts/heppy_report.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-from __future__ import print_function
 from builtins import range
 from optparse import OptionParser
 import json
diff --git a/PhysicsTools/Heppy/test/crab/heppy_crab_script.py b/PhysicsTools/Heppy/test/crab/heppy_crab_script.py
index 906474c12894f..b57063b1ba011 100755
--- a/PhysicsTools/Heppy/test/crab/heppy_crab_script.py
+++ b/PhysicsTools/Heppy/test/crab/heppy_crab_script.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 from builtins import range
 import os
 # probably easier to fetch everything without subdirs, but that's up to user preferences
diff --git a/PhysicsTools/Heppy/test/example_autofill_multipleTrees.py b/PhysicsTools/Heppy/test/example_autofill_multipleTrees.py
index 64152c8e72e46..906f202f01c20 100644
--- a/PhysicsTools/Heppy/test/example_autofill_multipleTrees.py
+++ b/PhysicsTools/Heppy/test/example_autofill_multipleTrees.py
@@ -3,7 +3,6 @@
 # In particular here we create a second tree producer containing only information and then, 
 # cloning it in two copies, we store it both in the same file as the main tree and in separate file
 
-from __future__ import print_function
 import ROOT
 import PhysicsTools.HeppyCore.framework.config as cfg
 # avoid creating subdirs, in case subdirs are wanted the treeProducer should have different names (set name="blabla" in the config)
diff --git a/PhysicsTools/Heppy/test/simple_example_cfg.py b/PhysicsTools/Heppy/test/simple_example_cfg.py
index be8950881f5af..45671d0d34716 100644
--- a/PhysicsTools/Heppy/test/simple_example_cfg.py
+++ b/PhysicsTools/Heppy/test/simple_example_cfg.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import os
 import PhysicsTools.HeppyCore.framework.config as cfg
 from PhysicsTools.Heppy.utils.miniAodFiles import miniAodFiles
diff --git a/PhysicsTools/HeppyCore/python/analyzers/CMSTestAnalyzer.py b/PhysicsTools/HeppyCore/python/analyzers/CMSTestAnalyzer.py
index 5ee4abd954cc1..983a1a0953921 100644
--- a/PhysicsTools/HeppyCore/python/analyzers/CMSTestAnalyzer.py
+++ b/PhysicsTools/HeppyCore/python/analyzers/CMSTestAnalyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.HeppyCore.framework.analyzer import Analyzer
 
 class CMSTestAnalyzer(Analyzer):
diff --git a/PhysicsTools/HeppyCore/python/analyzers/Printer.py b/PhysicsTools/HeppyCore/python/analyzers/Printer.py
index 20b2fd77ef30c..32ff7951809ea 100644
--- a/PhysicsTools/HeppyCore/python/analyzers/Printer.py
+++ b/PhysicsTools/HeppyCore/python/analyzers/Printer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.HeppyCore.framework.analyzer import Analyzer
 
 class Printer(Analyzer):
diff --git a/PhysicsTools/HeppyCore/python/framework/analyzer.py b/PhysicsTools/HeppyCore/python/framework/analyzer.py
index c09eaf5936de0..ef89fefd9e322 100644
--- a/PhysicsTools/HeppyCore/python/framework/analyzer.py
+++ b/PhysicsTools/HeppyCore/python/framework/analyzer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 # Copyright (C) 2014 Colin Bernet
 # https://github.com/cbernet/heppy/blob/master/LICENSE
 
diff --git a/PhysicsTools/HeppyCore/python/framework/chain_test.py b/PhysicsTools/HeppyCore/python/framework/chain_test.py
index a059a9416a4ea..cfe16eaa699c3 100644
--- a/PhysicsTools/HeppyCore/python/framework/chain_test.py
+++ b/PhysicsTools/HeppyCore/python/framework/chain_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 import os
 import shutil
diff --git a/PhysicsTools/HeppyCore/python/framework/config.py b/PhysicsTools/HeppyCore/python/framework/config.py
index a3663451cb89f..3f7259dae947a 100644
--- a/PhysicsTools/HeppyCore/python/framework/config.py
+++ b/PhysicsTools/HeppyCore/python/framework/config.py
@@ -1,5 +1,3 @@
-from __future__ import print_function
-from __future__ import absolute_import
 # Copyright (C) 2014 Colin Bernet
 # https://github.com/cbernet/heppy/blob/master/LICENSE
 
diff --git a/PhysicsTools/HeppyCore/python/framework/config_test.py b/PhysicsTools/HeppyCore/python/framework/config_test.py
index 8d665c30acd00..ee28df920c7d4 100644
--- a/PhysicsTools/HeppyCore/python/framework/config_test.py
+++ b/PhysicsTools/HeppyCore/python/framework/config_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 import os
 import shutil
diff --git a/PhysicsTools/HeppyCore/python/framework/eventsfwlite.py b/PhysicsTools/HeppyCore/python/framework/eventsfwlite.py
index af1711609c22a..7fc79eecf6f83 100644
--- a/PhysicsTools/HeppyCore/python/framework/eventsfwlite.py
+++ b/PhysicsTools/HeppyCore/python/framework/eventsfwlite.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from DataFormats.FWLite import Events as FWLiteEvents
 
 from ROOT import gROOT, gSystem, AutoLibraryLoader
diff --git a/PhysicsTools/HeppyCore/python/framework/eventstfile_test.py b/PhysicsTools/HeppyCore/python/framework/eventstfile_test.py
index fa969b5a2a2bc..cc2d7d8324535 100644
--- a/PhysicsTools/HeppyCore/python/framework/eventstfile_test.py
+++ b/PhysicsTools/HeppyCore/python/framework/eventstfile_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 
 from .eventstfile import Events
diff --git a/PhysicsTools/HeppyCore/python/framework/heppy_loop.py b/PhysicsTools/HeppyCore/python/framework/heppy_loop.py
index 4e8bceae7ce20..1d82b63711471 100755
--- a/PhysicsTools/HeppyCore/python/framework/heppy_loop.py
+++ b/PhysicsTools/HeppyCore/python/framework/heppy_loop.py
@@ -2,7 +2,6 @@
 # Copyright (C) 2014 Colin Bernet
 # https://github.com/cbernet/heppy/blob/master/LICENSE
 
-from __future__ import print_function
 from builtins import range
 import os
 import shutil
diff --git a/PhysicsTools/HeppyCore/python/framework/looper.py b/PhysicsTools/HeppyCore/python/framework/looper.py
index d8415f4c3a590..3b4969f3bb67c 100644
--- a/PhysicsTools/HeppyCore/python/framework/looper.py
+++ b/PhysicsTools/HeppyCore/python/framework/looper.py
@@ -1,5 +1,3 @@
-from __future__ import print_function
-from __future__ import absolute_import
 # Copyright (C) 2014 Colin Bernet
 # https://github.com/cbernet/heppy/blob/master/LICENSE
 
diff --git a/PhysicsTools/HeppyCore/python/framework/services/service_test.py b/PhysicsTools/HeppyCore/python/framework/services/service_test.py
index 9c7943eb905dc..f0b5be0416f4a 100644
--- a/PhysicsTools/HeppyCore/python/framework/services/service_test.py
+++ b/PhysicsTools/HeppyCore/python/framework/services/service_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 import os 
 import shutil
diff --git a/PhysicsTools/HeppyCore/python/framework/weight.py b/PhysicsTools/HeppyCore/python/framework/weight.py
index 0bf53ba308317..64c700a176b9b 100644
--- a/PhysicsTools/HeppyCore/python/framework/weight.py
+++ b/PhysicsTools/HeppyCore/python/framework/weight.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 # Copyright (C) 2014 Colin Bernet
 # https://github.com/cbernet/heppy/blob/master/LICENSE
 
diff --git a/PhysicsTools/HeppyCore/python/statistics/average_test.py b/PhysicsTools/HeppyCore/python/statistics/average_test.py
index 650591d67236f..d6721efced933 100644
--- a/PhysicsTools/HeppyCore/python/statistics/average_test.py
+++ b/PhysicsTools/HeppyCore/python/statistics/average_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 
 from .average import Average
diff --git a/PhysicsTools/HeppyCore/python/statistics/counter_test.py b/PhysicsTools/HeppyCore/python/statistics/counter_test.py
index d2891db92f434..05b9f64f2ab9d 100644
--- a/PhysicsTools/HeppyCore/python/statistics/counter_test.py
+++ b/PhysicsTools/HeppyCore/python/statistics/counter_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 import os 
 import shutil
diff --git a/PhysicsTools/HeppyCore/python/statistics/tree_test.py b/PhysicsTools/HeppyCore/python/statistics/tree_test.py
index a6e1e69294a18..3b90a2ec1dc17 100644
--- a/PhysicsTools/HeppyCore/python/statistics/tree_test.py
+++ b/PhysicsTools/HeppyCore/python/statistics/tree_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 from ROOT import TFile
 from .tree import Tree
diff --git a/PhysicsTools/HeppyCore/python/statistics/value_test.py b/PhysicsTools/HeppyCore/python/statistics/value_test.py
index 3a78914c729ec..f3f58f3c6e96b 100644
--- a/PhysicsTools/HeppyCore/python/statistics/value_test.py
+++ b/PhysicsTools/HeppyCore/python/statistics/value_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 import math
 from .value import Value 
diff --git a/PhysicsTools/HeppyCore/python/utils/addToDatasets.py b/PhysicsTools/HeppyCore/python/utils/addToDatasets.py
index 24b7d0837f293..7e725f18d5295 100644
--- a/PhysicsTools/HeppyCore/python/utils/addToDatasets.py
+++ b/PhysicsTools/HeppyCore/python/utils/addToDatasets.py
@@ -2,7 +2,6 @@
 # Colin
 # additional layer, on top of cmsBatch.py
 
-from __future__ import absolute_import
 import os
 
 from .castorBaseDir import getUserAndArea
diff --git a/PhysicsTools/HeppyCore/python/utils/batchmanager.py b/PhysicsTools/HeppyCore/python/utils/batchmanager.py
index 03dc86ff4a0fc..418984b7ada33 100644
--- a/PhysicsTools/HeppyCore/python/utils/batchmanager.py
+++ b/PhysicsTools/HeppyCore/python/utils/batchmanager.py
@@ -1,7 +1,5 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
-from __future__ import absolute_import
 from datetime import datetime
 from optparse import OptionParser
 
diff --git a/PhysicsTools/HeppyCore/python/utils/castorBaseDir.py b/PhysicsTools/HeppyCore/python/utils/castorBaseDir.py
index cb17990a7167d..eca6c161e2a3e 100755
--- a/PhysicsTools/HeppyCore/python/utils/castorBaseDir.py
+++ b/PhysicsTools/HeppyCore/python/utils/castorBaseDir.py
@@ -1,6 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
-from __future__ import absolute_import
 import os, sys
 from . import eostools as castortools
 
diff --git a/PhysicsTools/HeppyCore/python/utils/das.py b/PhysicsTools/HeppyCore/python/utils/das.py
index f59cb70d40a31..b963c294619ab 100644
--- a/PhysicsTools/HeppyCore/python/utils/das.py
+++ b/PhysicsTools/HeppyCore/python/utils/das.py
@@ -4,7 +4,6 @@
 """
 DAS command line tool
 """
-from __future__ import print_function
 __author__ = "Valentin Kuznetsov"
 
 import sys
diff --git a/PhysicsTools/HeppyCore/python/utils/dataset.py b/PhysicsTools/HeppyCore/python/utils/dataset.py
index 2fabf260cad42..317f6d1e16112 100644
--- a/PhysicsTools/HeppyCore/python/utils/dataset.py
+++ b/PhysicsTools/HeppyCore/python/utils/dataset.py
@@ -1,7 +1,5 @@
 #!/usr/bin/env python3
 
-from __future__ import print_function
-from __future__ import absolute_import
 from builtins import range
 import os
 import pprint
diff --git a/PhysicsTools/HeppyCore/python/utils/datasetToSource.py b/PhysicsTools/HeppyCore/python/utils/datasetToSource.py
index 4740178c0a126..923c8bc0276e6 100644
--- a/PhysicsTools/HeppyCore/python/utils/datasetToSource.py
+++ b/PhysicsTools/HeppyCore/python/utils/datasetToSource.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import os
 from .dataset import Dataset, CMSDataset, LocalDataset, createDataset, PrivateDataset, createMyDataset
 
diff --git a/PhysicsTools/HeppyCore/python/utils/dataset_test.py b/PhysicsTools/HeppyCore/python/utils/dataset_test.py
index 1ceec0aa34ce7..5e28e1d0bbdc6 100644
--- a/PhysicsTools/HeppyCore/python/utils/dataset_test.py
+++ b/PhysicsTools/HeppyCore/python/utils/dataset_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 from builtins import range
 from .dataset import * 
 
diff --git a/PhysicsTools/HeppyCore/python/utils/diclist_test.py b/PhysicsTools/HeppyCore/python/utils/diclist_test.py
index 2e64f03859861..f3ff4849d6180 100644
--- a/PhysicsTools/HeppyCore/python/utils/diclist_test.py
+++ b/PhysicsTools/HeppyCore/python/utils/diclist_test.py
@@ -1,4 +1,3 @@
-from __future__ import absolute_import
 import unittest
 
 from .diclist import diclist
diff --git a/PhysicsTools/HeppyCore/python/utils/edmIntegrityCheck.py b/PhysicsTools/HeppyCore/python/utils/edmIntegrityCheck.py
index 9f231f5497254..eb29e7ba6d96d 100644
--- a/PhysicsTools/HeppyCore/python/utils/edmIntegrityCheck.py
+++ b/PhysicsTools/HeppyCore/python/utils/edmIntegrityCheck.py
@@ -2,8 +2,6 @@
 """
 Classes to check that a set of ROOT files are OK and publish a report
 """
-from __future__ import print_function
-from __future__ import absolute_import
 
 from builtins import range
 import datetime, fnmatch, json, os, shutil, sys, tempfile, time
diff --git a/PhysicsTools/HeppyCore/python/utils/eostools.py b/PhysicsTools/HeppyCore/python/utils/eostools.py
index dbe1e9528a905..6f93c259f5f2e 100644
--- a/PhysicsTools/HeppyCore/python/utils/eostools.py
+++ b/PhysicsTools/HeppyCore/python/utils/eostools.py
@@ -2,7 +2,6 @@
 """
 A module to manipulate files on EOS or on the local file system. Intended to have the same interface as castortools.py.
 """
-from __future__ import print_function
 import sys
 import os
 import re
diff --git a/PhysicsTools/HeppyCore/python/utils/logger.py b/PhysicsTools/HeppyCore/python/utils/logger.py
index f4b75ca3d2bda..dfb979ef6a5b0 100644
--- a/PhysicsTools/HeppyCore/python/utils/logger.py
+++ b/PhysicsTools/HeppyCore/python/utils/logger.py
@@ -1,5 +1,3 @@
-from __future__ import print_function
-from __future__ import absolute_import
 from optparse import OptionParser
 import sys,os, re, subprocess, datetime
 
diff --git a/PhysicsTools/HeppyCore/python/utils/production_tasks.py b/PhysicsTools/HeppyCore/python/utils/production_tasks.py
index 1cb348fa2b92b..0a396db47c48f 100644
--- a/PhysicsTools/HeppyCore/python/utils/production_tasks.py
+++ b/PhysicsTools/HeppyCore/python/utils/production_tasks.py
@@ -1,5 +1,3 @@
-from __future__ import print_function
-from __future__ import absolute_import
 
 from builtins import range
 import copy, datetime, inspect, fnmatch, os, re, subprocess, sys, tempfile, time
diff --git a/PhysicsTools/HeppyCore/python/utils/testtree.py b/PhysicsTools/HeppyCore/python/utils/testtree.py
index 4b4bc2164a9eb..f58d67606af4c 100644
--- a/PhysicsTools/HeppyCore/python/utils/testtree.py
+++ b/PhysicsTools/HeppyCore/python/utils/testtree.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from builtins import range
 from ROOT import TFile
 from PhysicsTools.HeppyCore.statistics.tree import Tree
diff --git a/PhysicsTools/HeppyCore/scripts/edmIntegrityCheck.py b/PhysicsTools/HeppyCore/scripts/edmIntegrityCheck.py
index 28f7765cf5810..9d7c422cbd7b5 100755
--- a/PhysicsTools/HeppyCore/scripts/edmIntegrityCheck.py
+++ b/PhysicsTools/HeppyCore/scripts/edmIntegrityCheck.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 
-from __future__ import print_function
 from PhysicsTools.HeppyCore.utils.edmIntegrityCheck import PublishToFileSystem, IntegrityCheck
 import das
 
diff --git a/PhysicsTools/HeppyCore/scripts/heppy_batch.py b/PhysicsTools/HeppyCore/scripts/heppy_batch.py
index 93c8dc51d0fac..1c65e9c8d90ee 100755
--- a/PhysicsTools/HeppyCore/scripts/heppy_batch.py
+++ b/PhysicsTools/HeppyCore/scripts/heppy_batch.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 
-from __future__ import print_function
 from builtins import range
 import sys
 import imp
diff --git a/PhysicsTools/HeppyCore/scripts/heppy_check.py b/PhysicsTools/HeppyCore/scripts/heppy_check.py
index 66d4fad81a54f..6323b88ffc9f9 100755
--- a/PhysicsTools/HeppyCore/scripts/heppy_check.py
+++ b/PhysicsTools/HeppyCore/scripts/heppy_check.py
@@ -2,7 +2,6 @@
 # Copyright (C) 2014 Colin Bernet
 # https://github.com/cbernet/heppy/blob/master/LICENSE
 
-from __future__ import print_function
 import sys
 import re
 import os
diff --git a/PhysicsTools/HeppyCore/scripts/heppy_hadd.py b/PhysicsTools/HeppyCore/scripts/heppy_hadd.py
index faf2ef406f954..374a3c7658dfb 100755
--- a/PhysicsTools/HeppyCore/scripts/heppy_hadd.py
+++ b/PhysicsTools/HeppyCore/scripts/heppy_hadd.py
@@ -2,7 +2,6 @@
 # Copyright (C) 2014 Colin Bernet
 # https://github.com/cbernet/heppy/blob/master/LICENSE
 
-from __future__ import print_function
 import os
 import pprint
 import pickle
diff --git a/PhysicsTools/JetMCAlgos/test/testttHFGenFilter.py b/PhysicsTools/JetMCAlgos/test/testttHFGenFilter.py
index 10b1083d78d2d..b1ba750949bd7 100644
--- a/PhysicsTools/JetMCAlgos/test/testttHFGenFilter.py
+++ b/PhysicsTools/JetMCAlgos/test/testttHFGenFilter.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import FWCore.ParameterSet.Config as cms
 from FWCore.ParameterSet.VarParsing import VarParsing
 from PhysicsTools.PatAlgos.tools.helpers import getPatAlgosToolsTask
diff --git a/PhysicsTools/PatExamples/bin/PatBasicFWLiteAnalyzer.py b/PhysicsTools/PatExamples/bin/PatBasicFWLiteAnalyzer.py
index ef061f19eefb1..fb34feedf6225 100644
--- a/PhysicsTools/PatExamples/bin/PatBasicFWLiteAnalyzer.py
+++ b/PhysicsTools/PatExamples/bin/PatBasicFWLiteAnalyzer.py
@@ -1,6 +1,5 @@
 #! /usr/bin/env python
 
-from __future__ import print_function
 import ROOT
 import sys
 from DataFormats.FWLite import Events, Handle
diff --git a/PhysicsTools/PythonAnalysis/examples/MCTruth.py b/PhysicsTools/PythonAnalysis/examples/MCTruth.py
index af829121c660b..4fed072349463 100644
--- a/PhysicsTools/PythonAnalysis/examples/MCTruth.py
+++ b/PhysicsTools/PythonAnalysis/examples/MCTruth.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.PythonAnalysis import *
 import ROOT
 from ROOT import gSystem, TFile
diff --git a/PhysicsTools/PythonAnalysis/examples/MCTruth2.py b/PhysicsTools/PythonAnalysis/examples/MCTruth2.py
index bae9042e8e728..e0375b86d786d 100644
--- a/PhysicsTools/PythonAnalysis/examples/MCTruth2.py
+++ b/PhysicsTools/PythonAnalysis/examples/MCTruth2.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from PhysicsTools.PythonAnalysis import *
 from ROOT import gSystem
 
diff --git a/PhysicsTools/PythonAnalysis/examples/interactiveExample.py b/PhysicsTools/PythonAnalysis/examples/interactiveExample.py
index 39bcc5bdee722..add902a27ba45 100644
--- a/PhysicsTools/PythonAnalysis/examples/interactiveExample.py
+++ b/PhysicsTools/PythonAnalysis/examples/interactiveExample.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 # has to be called with python -i interactiveExample.py
 
 from PhysicsTools.PythonAnalysis import *
diff --git a/PhysicsTools/PythonAnalysis/python/ParticleDecayDrawer.py b/PhysicsTools/PythonAnalysis/python/ParticleDecayDrawer.py
index b49343b06757f..e21e50d92ea40 100644
--- a/PhysicsTools/PythonAnalysis/python/ParticleDecayDrawer.py
+++ b/PhysicsTools/PythonAnalysis/python/ParticleDecayDrawer.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 # Benedikt Hegner, DESY
 # benedikt.hegner@cern.ch
 #
diff --git a/PhysicsTools/PythonAnalysis/python/__init__.py b/PhysicsTools/PythonAnalysis/python/__init__.py
index 7b123ce45734f..2d9ee47e3025f 100644
--- a/PhysicsTools/PythonAnalysis/python/__init__.py
+++ b/PhysicsTools/PythonAnalysis/python/__init__.py
@@ -1,2 +1 @@
-from __future__ import absolute_import
 from .cmstools import * 
diff --git a/PhysicsTools/PythonAnalysis/python/cmscompleter.py b/PhysicsTools/PythonAnalysis/python/cmscompleter.py
index 2b6a111d850a6..6577b0a88cbfe 100644
--- a/PhysicsTools/PythonAnalysis/python/cmscompleter.py
+++ b/PhysicsTools/PythonAnalysis/python/cmscompleter.py
@@ -5,8 +5,6 @@
 benedikt.hegner@cern.ch
 
 """
-from __future__ import absolute_import
-from __future__ import print_function
 # TODO: sometimes results are doubled. clean global_matches list!
 
 import readline
diff --git a/PhysicsTools/PythonAnalysis/python/cmstools.py b/PhysicsTools/PythonAnalysis/python/cmstools.py
index f37da3a0925b6..4bba8004cf710 100644
--- a/PhysicsTools/PythonAnalysis/python/cmstools.py
+++ b/PhysicsTools/PythonAnalysis/python/cmstools.py
@@ -3,8 +3,6 @@
 benedikt.hegner@cern.ch
 
 """
-from __future__ import absolute_import
-from __future__ import print_function
 from builtins import range
 import re
 import ROOT
diff --git a/PhysicsTools/PythonAnalysis/python/diffProv.py b/PhysicsTools/PythonAnalysis/python/diffProv.py
index 582544bc2dec6..aa9ff3fbad085 100644
--- a/PhysicsTools/PythonAnalysis/python/diffProv.py
+++ b/PhysicsTools/PythonAnalysis/python/diffProv.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 
 from builtins import range
 class difference :
diff --git a/PhysicsTools/PythonAnalysis/python/rootplot/__init__.py b/PhysicsTools/PythonAnalysis/python/rootplot/__init__.py
index a061c6fa2f0c2..2bf53e0b795c6 100644
--- a/PhysicsTools/PythonAnalysis/python/rootplot/__init__.py
+++ b/PhysicsTools/PythonAnalysis/python/rootplot/__init__.py
@@ -1,3 +1,2 @@
-from __future__ import absolute_import
 from .core import rootplot, rootplotmpl, plot, plotmpl
 from .version import __version__
diff --git a/PhysicsTools/PythonAnalysis/python/rootplot/core.py b/PhysicsTools/PythonAnalysis/python/rootplot/core.py
index 483f5865d6a63..6a91cbf687c11 100644
--- a/PhysicsTools/PythonAnalysis/python/rootplot/core.py
+++ b/PhysicsTools/PythonAnalysis/python/rootplot/core.py
@@ -1,8 +1,6 @@
 """
 An API and a CLI for quickly building complex figures.
 """
-from __future__ import absolute_import
-from __future__ import print_function
 
 from builtins import range
 __license__ = '''\
diff --git a/PhysicsTools/PythonAnalysis/python/rootplot/rootinfo.py b/PhysicsTools/PythonAnalysis/python/rootplot/rootinfo.py
index 12483ff6fbffd..c56528d3148be 100644
--- a/PhysicsTools/PythonAnalysis/python/rootplot/rootinfo.py
+++ b/PhysicsTools/PythonAnalysis/python/rootplot/rootinfo.py
@@ -1,8 +1,6 @@
 """
 Print information about objects in a ROOT file.
 """
-from __future__ import absolute_import
-from __future__ import print_function
 
 from builtins import range
 from .version import __version__
diff --git a/PhysicsTools/PythonAnalysis/python/rootplot/rootmath.py b/PhysicsTools/PythonAnalysis/python/rootplot/rootmath.py
index 80fdb4b1265f9..09c1ba694356b 100644
--- a/PhysicsTools/PythonAnalysis/python/rootplot/rootmath.py
+++ b/PhysicsTools/PythonAnalysis/python/rootplot/rootmath.py
@@ -1,8 +1,6 @@
 """
 rootmath description
 """
-from __future__ import absolute_import
-from __future__ import print_function
 
 from builtins import range
 __license__ = '''\
diff --git a/PhysicsTools/PythonAnalysis/python/rootplot/tree2hists.py b/PhysicsTools/PythonAnalysis/python/rootplot/tree2hists.py
index d6cf8bed637f0..b66fba285a488 100644
--- a/PhysicsTools/PythonAnalysis/python/rootplot/tree2hists.py
+++ b/PhysicsTools/PythonAnalysis/python/rootplot/tree2hists.py
@@ -4,7 +4,6 @@
 
 Options are specified in the given configuration file.
 """
-from __future__ import print_function
 
 # Create configuration file:
 #   tree2hists.py
diff --git a/PhysicsTools/PythonAnalysis/python/rootplot/utilities.py b/PhysicsTools/PythonAnalysis/python/rootplot/utilities.py
index 6ba4368b11930..bfa6021f16da9 100644
--- a/PhysicsTools/PythonAnalysis/python/rootplot/utilities.py
+++ b/PhysicsTools/PythonAnalysis/python/rootplot/utilities.py
@@ -1,7 +1,6 @@
 """
 Utilities for rootplot including histogram classes.
 """
-from __future__ import print_function
 
 from builtins import range
 __license__ = '''\
diff --git a/PhysicsTools/PythonAnalysis/test/test.py b/PhysicsTools/PythonAnalysis/test/test.py
index 27e742816d541..6196f59c2b9db 100755
--- a/PhysicsTools/PythonAnalysis/test/test.py
+++ b/PhysicsTools/PythonAnalysis/test/test.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 from readProv import *
 from diffProv import *
 import unittest
diff --git a/PhysicsTools/PythonAnalysis/test/testNumExpr.py b/PhysicsTools/PythonAnalysis/test/testNumExpr.py
index f68854063d670..9008bc2cdbd1d 100755
--- a/PhysicsTools/PythonAnalysis/test/testNumExpr.py
+++ b/PhysicsTools/PythonAnalysis/test/testNumExpr.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
 #https://github.com/pydata/numexpr/wiki/Numexpr-Users-Guide
-from __future__ import print_function
 import numpy as np
 import numexpr as ne
 a = np.arange(10)
diff --git a/PhysicsTools/PythonAnalysis/test/testPandas.py b/PhysicsTools/PythonAnalysis/test/testPandas.py
index 49e7b0a40fb56..2c7943342542b 100755
--- a/PhysicsTools/PythonAnalysis/test/testPandas.py
+++ b/PhysicsTools/PythonAnalysis/test/testPandas.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 
-from __future__ import print_function
 import matplotlib
 matplotlib.use('Agg')
 import matplotlib.pyplot as pyplot
diff --git a/PhysicsTools/PythonAnalysis/test/testUncertainties.py b/PhysicsTools/PythonAnalysis/test/testUncertainties.py
index ccd510bc7c22b..c4d41e60f0632 100755
--- a/PhysicsTools/PythonAnalysis/test/testUncertainties.py
+++ b/PhysicsTools/PythonAnalysis/test/testUncertainties.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
 #example taken from https://pypi.python.org/pypi/uncertainties/3.0.1
-from __future__ import print_function
 from uncertainties import ufloat
 x = ufloat(2, 0.25)
 print(x)
diff --git a/PhysicsTools/PythonAnalysis/test/testXGBoost_and_sklearn.py b/PhysicsTools/PythonAnalysis/test/testXGBoost_and_sklearn.py
index d4d14dbf0d170..4ccbce069e4c1 100755
--- a/PhysicsTools/PythonAnalysis/test/testXGBoost_and_sklearn.py
+++ b/PhysicsTools/PythonAnalysis/test/testXGBoost_and_sklearn.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 # from https://gist.github.com/IevaZarina/ef63197e089169a9ea9f3109058a9679
 
-from __future__ import print_function
 import numpy as np
 import xgboost as xgb
 from sklearn import datasets
diff --git a/PhysicsTools/TagAndProbe/test/utilities/dumpPileup.py b/PhysicsTools/TagAndProbe/test/utilities/dumpPileup.py
index c545c9d6b1d17..99a60e0400b27 100644
--- a/PhysicsTools/TagAndProbe/test/utilities/dumpPileup.py
+++ b/PhysicsTools/TagAndProbe/test/utilities/dumpPileup.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 from builtins import range
 import sys
 import ROOT
diff --git a/TopQuarkAnalysis/Configuration/test/TestForTTGenEvents.py b/TopQuarkAnalysis/Configuration/test/TestForTTGenEvents.py
index ed2c3344d6c7f..4a720b120ed3b 100644
--- a/TopQuarkAnalysis/Configuration/test/TestForTTGenEvents.py
+++ b/TopQuarkAnalysis/Configuration/test/TestForTTGenEvents.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import FWCore.ParameterSet.Config as cms
 import FWCore.ParameterSet.VarParsing as VarParsing
 import sys
diff --git a/TopQuarkAnalysis/Configuration/test/patRefSel_muJets_cfg.py b/TopQuarkAnalysis/Configuration/test/patRefSel_muJets_cfg.py
index 7ad4d5c8dcc66..a0bf9c6f1507d 100644
--- a/TopQuarkAnalysis/Configuration/test/patRefSel_muJets_cfg.py
+++ b/TopQuarkAnalysis/Configuration/test/patRefSel_muJets_cfg.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 # As of 1 Feb 2017:
 # This configuration appears to be already broken in more
 # than one way. It fails to even run only under python.
diff --git a/TopQuarkAnalysis/TopEventProducers/python/producers/TtDecaySelection_cfi.py b/TopQuarkAnalysis/TopEventProducers/python/producers/TtDecaySelection_cfi.py
index 315384c3e4f22..50a6cfbb13f26 100644
--- a/TopQuarkAnalysis/TopEventProducers/python/producers/TtDecaySelection_cfi.py
+++ b/TopQuarkAnalysis/TopEventProducers/python/producers/TtDecaySelection_cfi.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 print("*** Warning: TopQuarkAnalysis/TopEventProducers/python/producers/TtDecaySelection_cfi.py will be deprecated")
 print("*** Please use TopQuarkAnalysis/TopSkimming/python/TtDecayChannelFilter_cfi.py instead")
 print("*** (you can still use 'genEvent' instead of 'genParticles' as input)")
diff --git a/TopQuarkAnalysis/TopEventProducers/python/sequences/ttGenEventFilters_cff.py b/TopQuarkAnalysis/TopEventProducers/python/sequences/ttGenEventFilters_cff.py
index 499c6d05f2a16..c99e766a735aa 100644
--- a/TopQuarkAnalysis/TopEventProducers/python/sequences/ttGenEventFilters_cff.py
+++ b/TopQuarkAnalysis/TopEventProducers/python/sequences/ttGenEventFilters_cff.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 print("*** Warning: TopQuarkAnalysis/TopEventProducers/python/sequences/ttGenEventFilters_cff.py will be deprecated")
 print("*** Please use TopQuarkAnalysis/TopSkimming/python/ttDecayChannelFilters_cff.py instead")
 print("*** (you can still use 'genEvent' instead of 'genParticles' as input)")
diff --git a/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Fall11_cff.py b/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Fall11_cff.py
index 53f9b988a175c..ae23282ea5363 100644
--- a/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Fall11_cff.py
+++ b/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Fall11_cff.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import FWCore.ParameterSet.Config as cms
 
 from PhysicsTools.PatAlgos.recoLayer0.stringResolutionProvider_cfi import *
diff --git a/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Spring10_cff.py b/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Spring10_cff.py
index 4917d9e82236c..47d6e76a3fcea 100644
--- a/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Spring10_cff.py
+++ b/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Spring10_cff.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import FWCore.ParameterSet.Config as cms
 
 from PhysicsTools.PatAlgos.recoLayer0.stringResolutionProvider_cfi import *
diff --git a/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Summer11_cff.py b/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Summer11_cff.py
index 02309a27632d7..342068ee2e540 100644
--- a/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Summer11_cff.py
+++ b/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_Summer11_cff.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import FWCore.ParameterSet.Config as cms
 
 from PhysicsTools.PatAlgos.recoLayer0.stringResolutionProvider_cfi import *
diff --git a/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_cff.py b/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_cff.py
index 96b69ade57795..3a54a449d5d3b 100644
--- a/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_cff.py
+++ b/TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_cff.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 print("*** WARNING: The file TopQuarkAnalysis/TopObjectResolutions/python/stringResolutions_etEtaPhi_cff.py is outdated.")
 print("***          Please migrate to a more recent one (possibly found in the same directory).")
 
diff --git a/TopQuarkAnalysis/TopSkimming/python/TtFullyHadronicFilter_cfi.py b/TopQuarkAnalysis/TopSkimming/python/TtFullyHadronicFilter_cfi.py
index e63af98dfd1e5..e547e3c67344a 100644
--- a/TopQuarkAnalysis/TopSkimming/python/TtFullyHadronicFilter_cfi.py
+++ b/TopQuarkAnalysis/TopSkimming/python/TtFullyHadronicFilter_cfi.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 print("*** Warning: TopQuarkAnalysis/TopSkimming/python/TtFullyHadronicFilter_cfi.py will be deprecated")
 print("*** Please use TopQuarkAnalysis/TopSkimming/python/TtDecayChannelFilter_cfi.py or")
 print("*** TopQuarkAnalysis/TopSkimming/python/ttDecayChannelFilter_cff.py instead")
diff --git a/TopQuarkAnalysis/TopSkimming/python/TtFullyLeptonicFilter_cfi.py b/TopQuarkAnalysis/TopSkimming/python/TtFullyLeptonicFilter_cfi.py
index 5f01118cffeed..6cdba727f0203 100644
--- a/TopQuarkAnalysis/TopSkimming/python/TtFullyLeptonicFilter_cfi.py
+++ b/TopQuarkAnalysis/TopSkimming/python/TtFullyLeptonicFilter_cfi.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 print("*** Warning: TopQuarkAnalysis/TopSkimming/python/TtFullyLeptonicFilter_cfi.py will be deprecated")
 print("*** Please use TopQuarkAnalysis/TopSkimming/python/TtDecayChannelFilter_cfi.py or")
 print("*** TopQuarkAnalysis/TopSkimming/python/ttDecayChannelFilter_cff.py instead")
diff --git a/TopQuarkAnalysis/TopSkimming/python/TtSemiLeptonicFilter_cfi.py b/TopQuarkAnalysis/TopSkimming/python/TtSemiLeptonicFilter_cfi.py
index 5cef56ed3048f..34261dd65eaf6 100644
--- a/TopQuarkAnalysis/TopSkimming/python/TtSemiLeptonicFilter_cfi.py
+++ b/TopQuarkAnalysis/TopSkimming/python/TtSemiLeptonicFilter_cfi.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 print("*** Warning: TopQuarkAnalysis/TopSkimming/python/TtSemiLeptonicFilter_cfi.py will be deprecated")
 print("*** Please use TopQuarkAnalysis/TopSkimming/python/TtDecayChannelFilter_cfi.py or")
 print("*** TopQuarkAnalysis/TopSkimming/python/ttDecayChannelFilter_cff.py instead")