pre-commit: run black autoformatter on all files

scipy-notebook/test/data/matplotlib_1.py

@@ -14,8 +14,9 @@ s = 1 + np.sin(2 * np.pi * t)
 fig, ax = plt.subplots()
 ax.plot(t, s)
 
-ax.set(xlabel='time (s)', ylabel='voltage (mV)',
-       title='About as simple as it gets, folks')
+ax.set(
+    xlabel="time (s)", ylabel="voltage (mV)", title="About as simple as it gets, folks"
+)
 ax.grid()
 # Note that the test can be run headless by checking if an image is produced
 file_path = os.path.join("/tmp", "test.png")

scipy-notebook/test/data/matplotlib_fonts_1.py

@@ -3,16 +3,22 @@ import matplotlib
 import matplotlib.pyplot as plt
 import os
 
-matplotlib.rcParams['pgf.texsystem'] = 'pdflatex'
-matplotlib.rcParams.update({'font.family': 'serif', 'font.size': 18,
-                            'axes.labelsize': 20, 'axes.titlesize': 24,
-                            'figure.titlesize': 28})
-matplotlib.rcParams['text.usetex'] = True
+matplotlib.rcParams["pgf.texsystem"] = "pdflatex"
+matplotlib.rcParams.update(
+    {
+        "font.family": "serif",
+        "font.size": 18,
+        "axes.labelsize": 20,
+        "axes.titlesize": 24,
+        "figure.titlesize": 28,
+    }
+)
+matplotlib.rcParams["text.usetex"] = True
 
 fig, ax = plt.subplots(1, 1)
 x = [1, 2]
 y = [1, 2]
-ax.plot(x, y, label='a label')
+ax.plot(x, y, label="a label")
 ax.legend(fontsize=15)
 
 file_path = os.path.join("/tmp", "test_fonts.png")

scipy-notebook/test/test_extensions.py

@@ -26,8 +26,7 @@ def test_check_extension(container, extension):
     """
     LOGGER.info(f"Checking the extension: {extension} ...")
     c = container.run(
-        tty=True,
-        command=["start.sh", "jupyter", "labextension", "check", extension]
+        tty=True, command=["start.sh", "jupyter", "labextension", "check", extension]
     )
     rv = c.wait(timeout=10)
     logs = c.logs(stdout=True).decode("utf-8")

scipy-notebook/test/test_matplotlib.py

@@ -13,9 +13,17 @@ THIS_DIR = os.path.dirname(os.path.realpath(__file__))
 @pytest.mark.parametrize(
     "test_file,expected_file,description",
     [
-        ("matplotlib_1.py", "test.png", "Test that matplotlib is able to plot a graph and write it as an image ..."),
-        ("matplotlib_fonts_1.py", "test_fonts.png", "Test cm-super latex labels in matplotlib ...")
-    ]
+        (
+            "matplotlib_1.py",
+            "test.png",
+            "Test that matplotlib is able to plot a graph and write it as an image ...",
+        ),
+        (
+            "matplotlib_fonts_1.py",
+            "test_fonts.png",
+            "Test cm-super latex labels in matplotlib ...",
+        ),
+    ],
 )
 def test_matplotlib(container, test_file, expected_file, description):
     """Various tests performed on matplotlib