fix flake8

circle/common/models.py

@@ -25,8 +25,9 @@ from warnings import warn
 
 from django.contrib.auth.models import User
 from django.core.cache import cache
-from django.db.models import (CharField, DateTimeField, ForeignKey,
-                              NullBooleanField, TextField)
+from django.db.models import (
+    CharField, DateTimeField, ForeignKey, NullBooleanField
+)
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _, ugettext_noop
 from jsonfield import JSONField

circle/vm/models/activity.py

@@ -28,8 +28,7 @@ from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _, ugettext_noop
 
 from common.models import (
-    ActivityModel, activitycontextimpl, create_readable, join_activity_code,
-    split_activity_code
+    ActivityModel, activitycontextimpl, create_readable, join_activity_code
 )
 
 from manager.mancelery import celery