Update ControllerFlow_ExtLib.py

ControllerFlow_ExtLib.py

@@ -113,8 +113,10 @@ class ControllerFlow_ExtLib(ChatAtomicFlow):
         while True:
             api_output = super().run(input_data)["api_output"].strip()
             try:
-                response = json.loads(api_output)
-                return response
+                start = api_output.index("{")
+                end = api_output.rindex("}") + 1
+                json_str = api_output[start:end]
+                return json.loads(json_str)
             except (json.decoder.JSONDecodeError, json.JSONDecodeError):
                 updated_system_message_content = self._get_message(self.system_message_prompt_template, input_data)
                 self._state_update_add_chat_message(content=updated_system_message_content,