Before handling a message, check the sender if the bot

hptoad.py

@@ -215,7 +215,8 @@ class Hptoad:
 
             if event["type"] == "groupchat":
                 nick = event["mucnick"]
-                self.handle_muc_message(body, nick, from_id)
+                if nick != self.bot_nick:
+                    self.handle_muc_message(body, nick, from_id)
 
             elif event["from"].bare == self.jid:
                 # Use resource as a nickname with self messages.