Strip chat message before further processing

bot.py

@@ -67,12 +67,12 @@ class TwitchBot(irc.bot.SingleServerIRCBot):
 
     def process_message(self, connection, event):
         sources = [t['value'] for t in event.tags if t['key'] == 'display-name']
-        source = sources.pop()
         message = ''.join([c for c in event.arguments[0] if c in string.printable])
+        message = message.rstrip()
         for pattern, action in self.actions:
             m = pattern.match(message)
             if m:
-                action(connection, source, **m.groupdict())
+                action(connection, sources[0], **m.groupdict())
 
     def get(self, params):
         r = requests.get('{0}/quotes'.format(self.api_url), params=params)