Update app.py

app.py

@@ -84,15 +84,10 @@ def handle_userinput(user_question):
     for i, (message, text) in enumerate(zip(st.session_state.chat_history, st.session_state.retrieved_text)):
         if i % 2 == 0:
             st.write(user_template.replace(
-                "{{MSG}}", message.content), unsafe_allow_html=True)
-            st.write(user_template.replace(
-                "{{MSG}}", text.content), unsafe_allow_html=True)
-            
+                "{{MSG}}", message.content, text.content), unsafe_allow_html=True)
         else:
             st.write(bot_template.replace(
-                "{{MSG}}", message.content), unsafe_allow_html=True)
-            st.write(bot_template.replace(
-                "{{MSG}}", text.content), unsafe_allow_html=True)
+                "{{MSG}}", message.content, text.content), unsafe_allow_html=True)
             
 
 
@@ -107,8 +102,6 @@ if "conversation" not in st.session_state:
     st.session_state.conversation = None
 if "chat_history" not in st.session_state:
     st.session_state.chat_history = None
-if "retrieved_text" not in st.session_state:
-    st.session_state.retrieved_text = None
 
 st.header("Chat with multiple PDFs :books:")
 user_question = st.text_input("Ask a question about your documents:")