Update app.py

app.py

@@ -24,9 +24,10 @@ def save_chatbot_dialogue(chat_tutor, save_type):
 
 save_json = partial(save_chatbot_dialogue, save_type='json')
 save_txt = partial(save_chatbot_dialogue, save_type='txt')
-save_csv = partial(save_chatbot_dialogue, save_type='csv')
 
 
+# history is a list of list  
+# [[user_input_str, bot_response_str], ...]
 
 class BasicTutor:
     # create basic initialization function
@@ -49,14 +50,12 @@ class BasicTutor:
         self.conversation_memory = []
         self.flattened_conversation = ''
 
-# history is a list of list  
-# [[user_input_str, bot_response_str], ...]
 
 ### Chatbot Functions ###
 def add_user_message(user_message, chat_tutor):
   """Display user message and update chat history to include it."""
   chat_tutor.add_user_message(user_message)
-  return gr.update(value="", interactive=False), chat_tutor.conversation_memory, chat_tutor
+  return chat_tutor.conversation_memory, chat_tutor
 
 def get_tutor_reply(user_message, chat_tutor):
   chat_tutor.get_tutor_reply(user_message)
@@ -79,13 +78,11 @@ with gr.Blocks() as demo:
           with gr.Row():
             user_chat_input = gr.Textbox(label="User input", scale=9)
             user_chat_submit = gr.Button("Ask/answer model", scale=1)
-        with gr.Column():
-            clear = gr.Button("Clear")
     
-    user_chat_submit.click(add_user_message,
-            [user_chat_input, study_tutor],
-            [user_chat_input, chatbot, study_tutor], queue=False) \
-      .then(get_tutor_reply, [user_chat_input, study_tutor], [user_chat_input, chatbot, study_tutor], queue=True)
+    user_chat_submit.click(add_user_message, 
+                           [user_chat_input, study_tutor], 
+                           [chatbot, study_tutor], queue=False).then(
+        get_tutor_reply, [user_chat_input, study_tutor], [user_chat_input, chatbot, study_tutor], queue=True)
     
     with gr.Blocks():
         gr.Markdown("""