Syntax error fix

Author: dotchetter

baseclasses/baseclasses.py

@@ -161,7 +161,7 @@ def get_callback(self, message: Message) -> Callback:
         in a no-match-found scenario is desired.
         """
         for cb in self._callbacks:
-            match = cb.matches(Message)
+            match = cb.matches(message)
             if match: return cb
         return None