Update ui/ui_core.py

ui/ui_core.py

@@ -162,7 +162,7 @@ def create_ui(agent: TxAgent):
                 for update in generator:
                     try:
                         if isinstance(update, list):
-                            cleaned = [msg for msg in update if (hasattr(msg, 'role') and 
+                            cleaned = [msg for msg in update if hasattr(msg, 'role') and 
                                      not (msg.role == "assistant" and 
                                      hasattr(msg, 'content') and 
                                      msg.content.strip().startswith("🧰"))]