Update app.py

app.py

@@ -70,19 +70,14 @@ def main(vectorstore):
 
     
 
-    if "conversation_chain" not in st.session_state:
-        st.session_state.conversation_chain = None
-
-    
-    if "conversation_chain" not in st.session_state:
-        st.session_state.conversation_chain = create_conversational_rag_chain(vectorstore)
+ 
     
 
     if prompt := st.text_input("Enter your question:"):
         msgs = st.session_state.get("chat_history", StreamlitChatMessageHistory(key="special_app_key"))
         st.chat_message("human").write(prompt)
 
-        conversation_chain = create_conversational_rag_chain()
+        conversation_chain = create_conversational_rag_chain(vectorstore)
         input_dict = {"input": prompt, "chat_history": msgs.messages}
         config = {"configurable": {"session_id": "any"}}
         response = conversation_chain.invoke(input_dict, config)