run black

testing/python/setup_plan.py

@@ -1,19 +1,19 @@
 def test_show_fixtures_and_test(testdir):
     """ Verifies that fixtures are not executed. """
-    p = testdir.makepyfile('''
+    p = testdir.makepyfile(
+        """
         import pytest
         @pytest.fixture
         def arg():
             assert False
         def test_arg(arg):
             assert False
-    ''')
+    """
+    )
 
     result = testdir.runpytest("--setup-plan", p)
     assert result.ret == 0
 
-    result.stdout.fnmatch_lines([
-        '*SETUP    F arg*',
-        '*test_arg (fixtures used: arg)',
-        '*TEARDOWN F arg*',
-    ])
+    result.stdout.fnmatch_lines(
+        ["*SETUP    F arg*", "*test_arg (fixtures used: arg)", "*TEARDOWN F arg*"]
+    )