Update app.py

app.py

@@ -104,14 +104,14 @@ def main():
             if query:
                 embedding(text_chunks,query)
             st.success("Done")
-if query:
-    st.session_state.messages.append({'role': 'user', "content": query})
-    response = embedding(text_chunks,query)
-    st.session_state.messages.append({'role': 'assistant', "content": response})
-
-for message in st.session_state.messages:
-    with st.chat_message(message['role']):
-        st.write(message['content'])
+    if query:
+        st.session_state.messages.append({'role': 'user', "content": query})
+        response = embedding(text_chunks,query)
+        st.session_state.messages.append({'role': 'assistant', "content": response})
+
+    for message in st.session_state.messages:
+        with st.chat_message(message['role']):
+            st.write(message['content'])
 
 if __name__ == "__main__":
     main()