Update app.py

app.py

@@ -56,11 +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."
-
+    
+                # Add final check for punctuation and completeness
+                if not final_response.strip()[-1] in ".!?":
+                    final_response += " This is the end of the response. Let me know if you need anything else."
+    
             with st.spinner("Generating audio response..."):
                 audio_file = text_to_speech(final_response)
                 autoplay_audio(audio_file)
@@ -68,6 +68,7 @@ def main(answer_mode: str):
             st.session_state.messages.append({"role": "assistant", "content": final_response})
             os.remove(audio_file)
 
+
     # Float the footer container and provide CSS to target it with
     footer_container.float("bottom: 0rem;")