Make linter happy

Author: ambv

Lib/test/test_webbrowser.py

@@ -329,7 +329,7 @@ def close(self):
 @unittest.skipUnless(sys.platform == "darwin", "macOS specific test")
 @requires_subprocess()
 class MacOSXOSAScriptTest(unittest.TestCase):
-   def setUp(self):
+    def setUp(self):
         # Ensure that 'BROWSER' is not set to 'open' or something else.
         # See: https://github.com/python/cpython/issues/131254.
         env = self.enterContext(os_helper.EnvironmentVarGuard())