Update app.py

app.py

@@ -1,12 +1,10 @@
 import gradio as gr
 from transformers import pipeline
 
-chatbot = pipeline("text-generation", model="gpt2")
+chatbot = pipeline("text-generation", model="microsoft/DialoGPT-small")
 
 def respond(message):
-    result = chatbot(message, max_length=100, num_return_sequences=1)
-    return result[0]["generated_text"]
-
+    return chatbot(message, max_length=100)[0]["generated_text"]
 demo = gr.Interface(fn=respond, inputs="text", outputs="text")
 
 demo.launch()