Update app.py

app.py

@@ -56,6 +56,11 @@ def main(answer_mode: str):
                     final_response = base_model_chatbot(st.session_state.messages)
                 elif answer_mode == 'pdf_chat':
                     final_response = with_pdf_chatbot(st.session_state.messages)
+                
+                # Ensure response ends with proper punctuation
+                if final_response[-1] not in ".!?":
+                    final_response += " Please let me know if this answers your question completely."
+
             with st.spinner("Generating audio response..."):
                 audio_file = text_to_speech(final_response)
                 autoplay_audio(audio_file)
@@ -67,4 +72,4 @@ def main(answer_mode: str):
     footer_container.float("bottom: 0rem;")
 
 if __name__ == "__main__":
-    main(answer_mode='base_model')  # Or: answer_mode='base_model'
+    main(answer_mode='base_model')  # Or: answer_mode='pdf_chat'