PEP8 cleanups, style cleanups, unused imports

apps/documents/managers.py

@@ -4,7 +4,6 @@ from ast import literal_eval
 from datetime import datetime
 
 from django.db import models
-from django.contrib.auth.models import AnonymousUser
 
 from .conf.settings import RECENT_COUNT
 
@@ -18,7 +17,7 @@ class RecentDocumentManager(models.Manager):
             to_delete = self.model.objects.filter(user=user)[RECENT_COUNT:]
             for recent_to_delete in to_delete:
                 recent_to_delete.delete()
-            
+
     def get_for_user(self, user):
         if user.is_authenticated():
             return [recent_document.document for recent_document in self.model.objects.filter(user=user)]