Update app.py

app.py

@@ -5,12 +5,13 @@ from transformers import Conversation
 chatbot = pipeline(task="conversational", model="facebook/blenderbot-400M-distill")
 conversation = Conversation()
 
-def greet(name):
+def greet(name, history):
     global conversation
+    if len(history) == 0:
+        conversation = Conversation()
     conversation.add_message({"role": "user", 
                           "content": name})
     conversation = chatbot(conversation)
     return conversation.messages[len(conversation.messages) -1]
 
-iface = gr.Interface(fn=greet, inputs="text", outputs="text")
-iface.launch(share=True)
+gr.ChatInterface(greet).launch()