Update app.py

app.py

@@ -3,13 +3,15 @@ from huggingface_hub import InferenceClient
 import gradio as gr
 import random
 
-client = InferenceClient("Qwen/Qwen2.5-72B-Instruct")
+client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
 
 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, temperature = 1.3, top_p = 0.3) #temp & top_p control random