Update app.py

app.py

@@ -1,6 +1,5 @@
 # app_pixal_chat.py
 import os, re, json, gradio as gr
-os.rename("/usr/local/lib/python3.10/site-packages/langchain_classic", "/usr/local/lib/python3.10/site-packages/langchain")
 from langchain_classic.memory import ConversationBufferMemory
 from langchain_classic.agents import initialize_agent, AgentType, load_tools
 from langchain_community.tools import Tool