add langchain community

app.py

@@ -10,7 +10,7 @@ import datetime
 from langchain.tools import tool, get_all_tools
 from typing import TypedDict, Annotated
 from langgraph.graph.message import add_messages
-from langchain_core.messages import AnyMessage, HumanMessage, AIMessage
+# from langchain_core.messages import AnyMessage, HumanMessage, AIMessage
 from langgraph.prebuilt import ToolNode
 from langgraph.graph import START, StateGraph, END
 from langgraph.prebuilt import tools_condition

requirements.txt

@@ -1,6 +1,7 @@
 gradio
 requests
 langchain
+langchain-community
 langgraph
 langchainhub
 huggingface-hub