fix to challenge average score

geogame/main/models.py

@@ -80,7 +80,10 @@ class Challenge(models.Model):
     @property
     def average(self):
         #this should be cached, but with low volumes its fine as is
+        if Game.objects.filter(challenge=self):
             return int(round(Game.objects.filter(challenge=self).aggregate(Avg('score')).get('score__avg', 0)))
+        else:
+            return 0
         
     @property
     def num_rounds(self):

geogame/settings.py

@@ -24,7 +24,7 @@ with open(os.path.join(BASE_DIR, "env_secret_key.txt")) as secret_key:
     SECRET_KEY = secret_key.read().strip()
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = False
 
 ALLOWED_HOSTS = ['*']