Fix replying on increment / decrement

.gitignore

+.pytest_cache/
+__pycache__/

karma.py

@@ -34,20 +34,19 @@ class Karma(BotPlugin):
 
     def _change_karma(self, target, value, message):
         self.karma[target] += value
-        text = "Karma for '{}' is now {}".format(target, self.karma[target])
-        self.send(message.to, text, message, True)
+        return "Karma for '{}' is now {}".format(target, self.karma[target])
 
     @re_botcmd(pattern=r'(.+)\+\+', prefixed=False, flags=re.IGNORECASE)
     def on_karma_inc(self, message, match):
         """Adds karma"""
 
-        self._change_karma(match.group(1), 1, message)
+        return self._change_karma(match.group(1), 1, message)
 
     @re_botcmd(pattern=r'(.+)--', prefixed=False, flags=re.IGNORECASE)
     def on_karma_dec(self, message, match):
         """Removes karma"""
 
-        self._change_karma(match.group(1), -1, message)
+        return self._change_karma(match.group(1), -1, message)
 
     @botcmd
     def karma(self, message, args):