fix: remove pycache files and finalize integration

main.py

@@ -10,7 +10,7 @@ from typing import Optional, List, Dict, Any
 from deepagents import create_deep_agent
 from langchain.chat_models import init_chat_model
 from langchain_core.messages import HumanMessage, SystemMessage
-from langchain.tools import Tool
+from langchain_core.tools import Tool
 
 # Import custom tools
 try: