add pylint ignore comment

app/models.py

@@ -94,6 +94,7 @@ class Game(db.Model):
         return locations
 
     def owned_by(self, player):
+        # pylint: disable=not-an-iterable
         '''given player is an owner of game'''
         return player in [gameplayer.player for gameplayer in self.game_players if gameplayer.role == Role.owner]