Update app.py

app.py

@@ -1,8 +1,8 @@
 # app_pixal_chat.py
 import os, re, json, gradio as gr
-from langchain_core.memory import ConversationBufferMemory
-from langchain_core.agents import initialize_agent, AgentType, load_tools
-from langchain_core.tools import Tool
+from langchain_community.memory import ConversationBufferMemory
+from llangchain_community.agents import initialize_agent, AgentType, load_tools
+from langchain_community.tools import Tool
 from langchain_experimental.tools.python.tool import PythonREPLTool
 from langchain_community.retrievers import WikipediaRetriever
 import datetime