From 2af1016f7b989b473081133a7ec168ab53d4aa80 Mon Sep 17 00:00:00 2001
From: Jake Lishman <jake.lishman@ibm.com>
Date: Tue, 7 Dec 2021 14:57:08 +0000
Subject: [PATCH] Bump black to the latest version (#7363)

---
 qiskit/test/base.py                            | 1 -
 requirements-dev.txt                           | 2 +-
 test/ipynb/mpl_tester.ipynb                    | 8 +++++---
 test/python/notebooks/test_backend_tools.ipynb | 1 +
 test/python/notebooks/test_pbar_status.ipynb   | 9 ++++++---
 5 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/qiskit/test/base.py b/qiskit/test/base.py
index e6814a89d1e7..7cbd80d73431 100644
--- a/qiskit/test/base.py
+++ b/qiskit/test/base.py
@@ -62,7 +62,6 @@ class BaseTestCase(testtools.TestCase):
         assertRaises = unittest.TestCase.assertRaises
         assertEqual = unittest.TestCase.assertEqual
 
-
 else:
 
     class BaseTestCase(unittest.TestCase):
diff --git a/requirements-dev.txt b/requirements-dev.txt
index e1d497635d78..371bf74e55b6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ ipywidgets>=7.3.0
 jupyter
 matplotlib>=3.3
 pillow>=4.2.1
-black==21.4b2
+black[jupyter]==21.12b0
 pydot
 astroid==2.5.6
 pylint==2.8.3
diff --git a/test/ipynb/mpl_tester.ipynb b/test/ipynb/mpl_tester.ipynb
index 658344b2ed6c..9102601687c3 100644
--- a/test/ipynb/mpl_tester.ipynb
+++ b/test/ipynb/mpl_tester.ipynb
@@ -7,8 +7,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#Testing Circuits\n",
-    "import warnings; warnings.simplefilter('ignore')\n",
+    "# Testing Circuits\n",
+    "import warnings\n",
+    "\n",
+    "warnings.simplefilter(\"ignore\")\n",
     "%run \"mpl/circuit/test_circuit_matplotlib_drawer.py\""
    ]
   },
@@ -19,7 +21,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#Testing Graphs\n",
+    "# Testing Graphs\n",
     "%run \"mpl/graph/test_graph_matplotlib_drawer.py\""
    ]
   },
diff --git a/test/python/notebooks/test_backend_tools.ipynb b/test/python/notebooks/test_backend_tools.ipynb
index 2bae3980676d..d2d892b9cd56 100644
--- a/test/python/notebooks/test_backend_tools.ipynb
+++ b/test/python/notebooks/test_backend_tools.ipynb
@@ -13,6 +13,7 @@
    "source": [
     "import os\n",
     "import sys\n",
+    "\n",
     "cwd = os.getcwd()\n",
     "qiskit_dir = os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(cwd))))\n",
     "sys.path.append(qiskit_dir)"
diff --git a/test/python/notebooks/test_pbar_status.ipynb b/test/python/notebooks/test_pbar_status.ipynb
index 0101235787c0..d207d332a39b 100644
--- a/test/python/notebooks/test_pbar_status.ipynb
+++ b/test/python/notebooks/test_pbar_status.ipynb
@@ -13,6 +13,7 @@
    "source": [
     "import os\n",
     "import sys\n",
+    "\n",
     "cwd = os.getcwd()\n",
     "qiskit_dir = os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(cwd))))\n",
     "sys.path.append(qiskit_dir)"
@@ -49,7 +50,7 @@
    },
    "outputs": [],
    "source": [
-    "sim_backend = BasicAer.get_backend('qasm_simulator')"
+    "sim_backend = BasicAer.get_backend(\"qasm_simulator\")"
    ]
   },
   {
@@ -64,6 +65,8 @@
    "outputs": [],
    "source": [
     "import time\n",
+    "\n",
+    "\n",
     "def func(_):\n",
     "    time.sleep(0.1)\n",
     "    return 0"
@@ -184,7 +187,7 @@
     "qc.measure(q, c)\n",
     "\n",
     "HTMLProgressBar()\n",
-    "qobj = transpile([qc]*20, backend=sim_backend)"
+    "qobj = transpile([qc] * 20, backend=sim_backend)"
    ]
   },
   {
@@ -205,7 +208,7 @@
    },
    "outputs": [],
    "source": [
-    "job_sim2 = execute([qc]*10, backend=sim_backend)\n",
+    "job_sim2 = execute([qc] * 10, backend=sim_backend)\n",
     "job_monitor(job_sim2)"
    ]
   }