Update app.py

app.py

@@ -159,15 +159,9 @@ def main():
     os.environ["HUGGINGFACEHUB_API_TOKEN"] = huggingface_token
     #os.environ["OPENAI_API_KEY"] = openai_api_key
 
-    st.session_state.conversation={}
     if "chat_history" not in st.session_state:
         st.session_state.chat_history = None
 
-    st.header("Chat with a Bot 🤖🦾 that tries to answer questions about multiple PDFs :books:")
-    user_question = st.text_input("Ask a question about your documents:")
-    if user_question:
-        handle_userinput(user_question)
-
     with st.sidebar:
         st.subheader("Your documents")
         pdf_docs = st.file_uploader(
@@ -187,6 +181,11 @@ def main():
                 # create conversation chain
                 st.session_state.conversation = get_conversation_chain(vectorstore)
 
+    st.header("Chat with a Bot 🤖🦾 that tries to answer questions about multiple PDFs :books:")
+    user_question = st.text_input("Ask a question about your documents:")
+    if user_question:
+        handle_userinput(user_question)
+
 
 if __name__ == "__main__":
     main()