Update app.py

app.py

@@ -3,13 +3,13 @@ from huggingface_hub import InferenceClient
 
 client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
 
-def respond(message, history): 
+def respond(message, history):
     
     messages = []
     
     if history:
         messages.extend(history)
-    
+        
     messages.append({"role": "user", "content": message})
     
     response = client.chat_completion(
@@ -19,6 +19,6 @@ def respond(message, history):
     
     return response['choices'][0]['message']['content'].strip()
 
-chatbot = gr.ChatInterface(respond, type="messages")
+demo = gr.ChatInterface(respond, type="messages")
 
-chatbot.launch()
+demo.launch()