PEP8 Cleanups

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/common/tests/test_api.py

@@ -1,6 +1,5 @@
 from __future__ import unicode_literals
 
-from django.urls import reverse
 from django.test import override_settings
 
 from mayan.apps.rest_api.tests import BaseAPITestCase