revert irr fix

src/agentscope/agents/dict_dialog_agent.py

@@ -145,7 +145,7 @@ def reply(self, x: dict = None) -> dict:
         ).raw
 
         # logging raw messages in debug mode
-        logger.debug(json.dumps(response, ensure_ascii=False, indent=4))
+        logger.debug(json.dumps(response, indent=4))
 
         # In this agent, if the response is a dict, we treat "speak" as a
         # special key, which represents the text to be spoken