revert app.py, change gradio version to 4.29

app.py

@@ -1,16 +1,15 @@
-from transformers import pipeline
+from transformers import pipeline, Conversation
 import gradio as gr
 
 chatbot = pipeline(model="facebook/blenderbot-400M-distill")
 
+message_list = []
+response_list = []
+
 def vanilla_chatbot(message, history):
-    # Combine the history and the new message
-    full_message = "\n".join([f"{h[0]}\n{h[1]}" for h in history] + [message])
-    
-    # Generate a response using the chatbot
-    response = chatbot(full_message, max_length=1000, do_sample=True, top_p=0.95, top_k=50)[0]['generated_text']
+    conversation = chatbot(message)
     
-    return response
+    return conversation[0]['generated_text']
 
 demo_chatbot = gr.ChatInterface(vanilla_chatbot, title="Vanilla Chatbot", description="Enter text to start chatting.")
 

requirements.txt

@@ -1,3 +1,3 @@
-gradio==3.39.0
+gradio==4.29.0
 transformers==4.31.0
 torch==2.0.1