Initial and final commit

app.py

@@ -1,10 +1,8 @@
 import streamlit as st
 from langchain.llms import HuggingFaceHub
 import os
-from langchain.llms import HuggingFaceHub
 
 st.set_page_config(page_title="Educational Chatbot")
-
 st.title("🎓 Educational Chatbot")
 
 user_input = st.text_input("Ask me anything:")
@@ -13,15 +11,17 @@ if "history" not in st.session_state:
     st.session_state.history = []
 
 if user_input:
-    llm = HuggingFaceHub(
-    repo_id="tiiuae/falcon-7b-instruct",
-    huggingfacehub_api_token=os.environ.get("Educational_chatbot"),
-    model_kwargs={"temperature": 0.5, "max_new_tokens": 100}
-)
-
-    response = llm(user_input)
-    st.session_state.history.append(("You", user_input))
-    st.session_state.history.append(("Bot", response))
+    try:
+        llm = HuggingFaceHub(
+            repo_id="tiiuae/falcon-7b-instruct",
+            huggingfacehub_api_token=os.environ.get("HUGGINGFACEHUB_API_TOKEN"),
+            model_kwargs={"temperature": 0.5, "max_new_tokens": 100}
+        )
+        response = llm(user_input)
+        st.session_state.history.append(("You", user_input))
+        st.session_state.history.append(("Bot", response))
+    except Exception as e:
+        st.error(f"⚠️ Error: {e}")
 
 for sender, msg in reversed(st.session_state.history):
     st.markdown(f"**{sender}:** {msg}")