Update app.py

app.py

@@ -6,6 +6,7 @@ from langchain.agents import initialize_agent,AgentType
 from langchain.callbacks import StreamlitCallbackHandler
 import os
 from dotenv import load_dotenv
+## Code
 
 ## Arxiv and wikipedia Tools
 arxiv_wrapper=ArxivAPIWrapper(top_k_results=1, doc_content_chars_max=200)