CHORE: Fix pep8

versioning/versioning.py

@@ -1,5 +1,3 @@
-import logging
-
 from diff_match_patch import diff_match_patch
 from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ObjectDoesNotExist
@@ -7,8 +5,6 @@ from django.db.models import EmailField, IntegerField, TextField, CharField, Boo
 from django.utils.functional import cached_property
 from reversion.models import Version, VersionQuerySet
 
-logger = logging.getLogger('tec.pyrigs')
-
 
 class RevisionMixin:
     @property