diff --git a/nyaa/models.py b/nyaa/models.py
index 1ea8d4f..32f5d81 100644
--- a/nyaa/models.py
+++ b/nyaa/models.py
@@ -507,8 +507,8 @@ class User(db.Model):
             # Default image (https://en.gravatar.com/site/implement/images/#default-image)
             'd': flask.url_for('static', filename='img/avatar/default.png', _external=True),
             # Image rating (https://en.gravatar.com/site/implement/images/#rating)
-            'r': ('pg' if app.config['SITE_FLAVOR'] == 'nyaa' else
-                  'x'),  # Nyaa: PG-rated, Sukebei: X-rated
+            # Nyaa: PG-rated, Sukebei: X-rated
+            'r': 'pg' if app.config['SITE_FLAVOR'] == 'nyaa' else 'x',
         }
         # construct the url
         return 'https://www.gravatar.com/avatar/{}?{}'.format(