Include HuggingFace pkg

agent.py

@@ -1,12 +1,14 @@
-from langchain_community.chat_models import ChatHuggingFace
-from langchain_community.llms import HuggingFaceEndpoint
-
-# --- Custom Tools ---
+# --- Langchain / Langraph ---
 from langchain_community.tools.tavily_search import TavilySearchResults
 from langchain_core.messages import AIMessage, HumanMessage, SystemMessage
 from langchain_core.runnables import RunnableLambda
 from langchain_core.tools import tool
 from langchain_experimental.tools.python.tool import PythonREPLTool
+from langchain_huggingface import import (
+    ChatHuggingFace,
+    HuggingFaceEndpoint,
+    HuggingFaceEmbeddings,
+)
 from langgraph.graph import END, START, MessagesState, StateGraph
 from langgraph.graph.message import add_messages
 from langgraph.prebuilt import ToolNode, tools_condition

requirements.txt

@@ -3,6 +3,7 @@ requests
 langchain
 langchain-core
 langchain-community
+langchain_huggingface
 langchain-experimental
 langchain-tavily
 langgraph