remove trailing whitespace

app/models/game.py

@@ -32,7 +32,7 @@ class Game(db.Model):
 
     def last_player_locations(self, offset=None):
         # pylint: disable=not-an-iterable
-        return [location for location in 
+        return [location for location in
                 [player.last_location(offset=offset) for player in self.players if player.user.locations]
                 if location is not None]