[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

tests/file_contents_sorter_test.py

@@ -78,21 +78,22 @@ def test_integration(input_s, argv, expected_retval, output, tmpdir):
     assert path.read_binary() == output
     assert output_retval == expected_retval
 
+
 @pytest.mark.parametrize(
-    ("input_s", "argv"),
+    ('input_s', 'argv'),
     (
         (
-            b"fee\nFie\nFoe\nfum\n",
-            ["--unique", "--ignore-case"],
+            b'fee\nFie\nFoe\nfum\n',
+            ['--unique', '--ignore-case'],
         ),
         (
-            b"fee\nfee\nFie\nFoe\nfum\n",
-            ["--unique", "--ignore-case"],
+            b'fee\nfee\nFie\nFoe\nfum\n',
+            ['--unique', '--ignore-case'],
         ),
     ),
 )
 def test_integration_invalid_args(input_s, argv, tmpdir):
-    path = tmpdir.join("file.txt")
+    path = tmpdir.join('file.txt')
     path.write_binary(input_s)
 
     with pytest.raises(SystemExit):