diff --git a/ocf_ml_metrics/baselines/simple.py b/ocf_ml_metrics/baselines/simple.py
index 6f6d10e..f97b3b3 100644
--- a/ocf_ml_metrics/baselines/simple.py
+++ b/ocf_ml_metrics/baselines/simple.py
@@ -1,4 +1,5 @@
 """Simple baselines to use"""
+
 import numpy as np
 
 
diff --git a/ocf_ml_metrics/evaluation/utils.py b/ocf_ml_metrics/evaluation/utils.py
index a94f8d2..c269362 100644
--- a/ocf_ml_metrics/evaluation/utils.py
+++ b/ocf_ml_metrics/evaluation/utils.py
@@ -1,4 +1,5 @@
 """ Util evaluation functions """
+
 import pandas as pd
 
 
diff --git a/ocf_ml_metrics/metrics/errors.py b/ocf_ml_metrics/metrics/errors.py
index c41d4d7..d939af8 100644
--- a/ocf_ml_metrics/metrics/errors.py
+++ b/ocf_ml_metrics/metrics/errors.py
@@ -1,4 +1,5 @@
 """Common metrics to compute"""
+
 from typing import Optional, Union
 
 import numpy as np
diff --git a/ocf_ml_metrics/metrics/utils.py b/ocf_ml_metrics/metrics/utils.py
index edf1538..76f7b9f 100644
--- a/ocf_ml_metrics/metrics/utils.py
+++ b/ocf_ml_metrics/metrics/utils.py
@@ -1,4 +1,5 @@
 """Utility functions"""
+
 from typing import Tuple
 
 import numpy as np
diff --git a/setup.py b/setup.py
index 7c4a7ac..4fa9a46 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,5 @@
 """ Usual setup file for package """
+
 # read the contents of your README file
 from pathlib import Path