Initial and final commit

app.py

@@ -1,6 +1,6 @@
 import streamlit as st
-from langchain.llms import HuggingFaceHub
 import os
+from langchain_community.llms import HuggingFaceHub
 
 st.set_page_config(page_title="Educational Chatbot")
 st.title("🎓 Educational Chatbot")
@@ -17,7 +17,7 @@ if user_input:
             huggingfacehub_api_token=os.environ.get("HUGGINGFACEHUB_API_TOKEN"),
             model_kwargs={"temperature": 0.5, "max_new_tokens": 100}
         )
-        response = llm(user_input)
+        response = llm.invoke(user_input)
         st.session_state.history.append(("You", user_input))
         st.session_state.history.append(("Bot", response))
     except Exception as e: