Update app.py

app.py

@@ -4,12 +4,14 @@ from huggingface_hub import InferenceClient
 
 client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
 
-def respond(message,history):
+def respond(message, history):
     messages = [{"role":"system","content":"You are a friendly chatbot"}]
     if history :
         messages.extend(history)  
     messages.append({"role":"user","content": message})
     response = client.chat_completion(messages, max_tokens = 100)
+
+    
     return response["choices"][o]["message"]["content"].strip()