Runs black

bookwyrm/models/status.py

@@ -295,11 +295,11 @@ class Review(Status):
 
 
 class ReviewRating(Review):
-    ''' a subtype of review that only contains a rating '''
+    """ a subtype of review that only contains a rating """
+
     def save(self, *args, **kwargs):
         if not self.rating:
-            raise ValueError(
-                'ReviewRating object must include a numerical rating')
+            raise ValueError("ReviewRating object must include a numerical rating")
         return super().save(*args, **kwargs)
 
     @property
@@ -307,7 +307,7 @@ class ReviewRating(Review):
         return 'Rated "{}": {:d} stars'.format(self.book.title, self.rating)
 
     activity_serializer = activitypub.Rating
-    pure_type = 'Note'
+    pure_type = "Note"
 
 
 class Boost(ActivityMixin, Status):