Upgrade add-trailing-comma to 0.4.1
diff --git a/tests/check_executables_have_shebangs_test.py b/tests/check_executables_have_shebangs_test.py
index 0e28986..0cb9dcf 100644
--- a/tests/check_executables_have_shebangs_test.py
+++ b/tests/check_executables_have_shebangs_test.py
@@ -7,26 +7,30 @@
 from pre_commit_hooks.check_executables_have_shebangs import main
 
 
-@pytest.mark.parametrize('content', (
-    b'#!/bin/bash\nhello world\n',
-    b'#!/usr/bin/env python3.6',
-    b'#!python',
-    '#!☃'.encode('UTF-8'),
-))
+@pytest.mark.parametrize(
+    'content', (
+        b'#!/bin/bash\nhello world\n',
+        b'#!/usr/bin/env python3.6',
+        b'#!python',
+        '#!☃'.encode('UTF-8'),
+    ),
+)
 def test_has_shebang(content, tmpdir):
     path = tmpdir.join('path')
     path.write(content, 'wb')
     assert main((path.strpath,)) == 0
 
 
-@pytest.mark.parametrize('content', (
-    b'',
-    b' #!python\n',
-    b'\n#!python\n',
-    b'python\n',
-    '☃'.encode('UTF-8'),
+@pytest.mark.parametrize(
+    'content', (
+        b'',
+        b' #!python\n',
+        b'\n#!python\n',
+        b'python\n',
+        '☃'.encode('UTF-8'),
 
-))
+    ),
+)
 def test_bad_shebang(content, tmpdir, capsys):
     path = tmpdir.join('path')
     path.write(content, 'wb')