Small fixes.

src/gameservers/models.py

@@ -56,12 +56,13 @@ class Server(models.Model):
             # (sunday = 1, monday = 2 etc.)
             i += 2
             if i > 7: i = 1
-            # NOTE: depends on pytz
+            # NOTE: using __week_day is dependant on pytz
             tmp = history.filter(created__week_day=i)
             avg = tmp.aggregate(models.Avg('players'))['players__avg'] or 0
             weekdays.append((day, int(avg)))
         return weekdays
 
+
 class ServerHistory(models.Model):
     server = models.ForeignKey(Server)
     created = models.DateTimeField(default=timezone.now)