Update app.py

app.py

@@ -131,7 +131,7 @@ def my_custom_tool(arg1:str, arg2:str)-> str:
         agent.quit()
 
 # Example of how you might call this tool (if not directly invoked by an agent framework)
- if __name__ == "__main__":
+    if __name__ == "__main__":
 #     # This part would typically be handled by your LangChain agent's invocation
 #     # For standalone testing:
 #     # Make sure you have the environment variables set for USERNAME and PASSWORD