Update app.py

app.py

@@ -152,5 +152,22 @@ def create_ui():
     return demo
 
 if __name__ == "__main__":
+    # Initialize multiprocessing safely
+    freeze_support()
+    
+    # Initialize agent
+    agent = TxAgent(
+        model_name,
+        rag_model_name,
+        tool_files_dict=new_tool_files,
+        force_finish=True,
+        enable_checker=True,
+        step_rag_num=10,
+        seed=100,
+        additional_default_tools=["DirectResponse", "RequireClarification"]
+    )
+    agent.init_model()
+    
+    # Create and launch UI
     demo = create_ui()
     demo.launch(show_error=True)