Fix linting

Author: ericholscher

readthedocs/projects/models.py

@@ -11,7 +11,6 @@
 from django.core.files.storage import get_storage_class
 from django.db import models
 from django.urls import NoReverseMatch, reverse
-from django.utils.functional import cached_property
 from django.utils.translation import ugettext_lazy as _
 from django_extensions.db.models import TimeStampedModel
 from guardian.shortcuts import assign
@@ -1143,15 +1142,14 @@ class Meta(object):
 
     objects = HTMLFileManager()
 
-
     def get_processed_json(self):
         """
         Get the parsed JSON for search indexing.
 
         Check for two paths for each index file
         This is because HTMLDir can generate a file from two different places:
 
-        * foo.rst 
+        * foo.rst
         * foo/index.rst
 
         Both lead to `foo/index.html`