fixed day 0 bug; reformatted

schneiderbot.py

@@ -152,10 +152,9 @@ def mensa(bot, update, args):
         today += 1
 
     today = today % 7
-    
     for arg in args:
         if arg in MENSA_NAME:
-            which = args[0]
+            which = arg
         elif arg in MODES:
             filter_categories = MODES[arg]
         elif arg in WEEKDAYS:
@@ -165,7 +164,9 @@ def mensa(bot, update, args):
         else: 
             update.message.reply_text("Falscher Aufruf! RTFM und versuchs nochmal.")
             return
-    
+    if today == 0:
+        update.message.reply_text("Sonntags hat die Mensa zu")
+        return
     url = "https://mensa.schneider-hosting.de/static/%s.%d.json" % (MENSA_URL[which], today)
     request = requests.get(url)
     request.encoding = 'utf-8'