run black

4 files changed, 13 insertions, 13 deletions

diff --git a/testing/freeze/create_executable.py b/testing/freeze/create_executable.py
index f4f6088ef..98aa2034c 100644
--- a/testing/freeze/create_executable.py
+++ b/testing/freeze/create_executable.py
@@ -1,12 +1,12 @@
 """
 Generates an executable with pytest runner embedded using PyInstaller.
 """
-if __name__ == '__main__':
+if __name__ == "__main__":
     import pytest
     import subprocess
 
     hidden = []
     for x in pytest.freeze_includes():
-        hidden.extend(['--hidden-import', x])
-    args = ['pyinstaller', '--noconfirm'] + hidden + ['runtests_script.py']
-    subprocess.check_call(' '.join(args), shell=True)
+        hidden.extend(["--hidden-import", x])
+    args = ["pyinstaller", "--noconfirm"] + hidden + ["runtests_script.py"]
+    subprocess.check_call(" ".join(args), shell=True)
diff --git a/testing/freeze/runtests_script.py b/testing/freeze/runtests_script.py
index d281601c0..d03bca840 100644
--- a/testing/freeze/runtests_script.py
+++ b/testing/freeze/runtests_script.py
@@ -3,7 +3,8 @@ This is the script that is actually frozen into an executable: simply executes
 py.test main().
 """
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     import sys
     import pytest
+
     sys.exit(pytest.main())
diff --git a/testing/freeze/tests/test_trivial.py b/testing/freeze/tests/test_trivial.py
index 45622b850..08a55552a 100644
--- a/testing/freeze/tests/test_trivial.py
+++ b/testing/freeze/tests/test_trivial.py
@@ -1,7 +1,6 @@
-
 def test_upper():
-    assert 'foo'.upper() == 'FOO'
+    assert "foo".upper() == "FOO"
 
 
 def test_lower():
-    assert 'FOO'.lower() == 'foo'
+    assert "FOO".lower() == "foo"
diff --git a/testing/freeze/tox_run.py b/testing/freeze/tox_run.py
index 3fc388040..678a69c85 100644
--- a/testing/freeze/tox_run.py
+++ b/testing/freeze/tox_run.py
@@ -2,11 +2,11 @@
 Called by tox.ini: uses the generated executable to run the tests in ./tests/
 directory.
 """
-if __name__ == '__main__':
+if __name__ == "__main__":
     import os
     import sys
 
-    executable = os.path.join(os.getcwd(), 'dist', 'runtests_script', 'runtests_script')
-    if sys.platform.startswith('win'):
-        executable += '.exe'
-    sys.exit(os.system('%s tests' % executable))
+    executable = os.path.join(os.getcwd(), "dist", "runtests_script", "runtests_script")
+    if sys.platform.startswith("win"):
+        executable += ".exe"
+    sys.exit(os.system("%s tests" % executable))