Update app.py

app.py

@@ -325,10 +325,14 @@ def upload_file(chatbot_history,file_uploaded):
   if file_ext not in ['.csv','.xlsx']:
     build_embeddings(file_uploaded.name,file_ext)
   else:
-    ask_questions_abt_dataframes(file_uploaded,file_ext)
+    try:
+        ask_questions_abt_dataframes(file_uploaded,file_ext)
+    except Exception as e:
+        print(f'Dataframes {e}')
+        return  chatbot_history + [(None, f'Kindly attempt again at a subsequent time.')]
   
   
-  return chatbot_history + [(None, f'{os.path.split(file_uploaded.name)[-1]} uploaded start asking question')]
+  return chatbot_history + [(None, f'You have uploaded {os.path.split(file_uploaded.name)[-1]} successfully. You can start asking questions about the document.')]
 
 
 def clear_chat_history(history:list)->list: