fix lints

Author: untitaker

pytest_django/compat.py

@@ -18,20 +18,17 @@ def wrapped_setup_databases(*args, **kwargs):
 
     try:
         # Django 1.11+
-        from django.test.utils import setup_databases, teardown_databases  # noqa: F401
+        from django.test.utils import setup_databases, teardown_databases  # noqa: F401, F811
     except ImportError:
         pass
     else:
         return setup_databases, teardown_databases
 
     # In Django prior to 1.11, teardown_databases is only available as a method on DiscoverRunner
-    from django.test.runner import (  # noqa: F401
-        setup_databases,
-        DiscoverRunner as _DiscoverRunner,
-    )
+    from django.test.runner import setup_databases, DiscoverRunner  # noqa: F401, F811
 
     def teardown_databases(db_cfg, verbosity):
-        _DiscoverRunner(verbosity=verbosity, interactive=False).teardown_databases(
+        DiscoverRunner(verbosity=verbosity, interactive=False).teardown_databases(
             db_cfg
         )