Update app.py

app.py

@@ -2099,7 +2099,9 @@ for file in video_files_mp3:
             st.rerun()
 
 # ChatBot Entry 
-if prompt := st.chat_input("GPT-4o Multimodal ChatBot - What can I help you with?"):
+# 📄 Paper of the Day - Vector index by unique_key with search comparator with vector topics in search
+unique_key = hashlib.sha256(str(time.time()).encode()).hexdigest()
+if prompt := st.chat_input("GPT-4o Multimodal ChatBot - What can I help you with?", key=unique_key):
     st.session_state.messages.append({"role": "user", "content": prompt})
     with st.chat_message("user"):
         st.markdown(prompt)