Another try

app.py

@@ -4,17 +4,17 @@ from huggingface_hub import InferenceClient
 
 api_key = os.getenv("HF_API_KEY")
 client = InferenceClient(api_key=api_key)
-completion = client.chat.completions.create(
-    model="Qwen/Qwen2.5-Coder-32B-Instruct", 
-	messages=messages, 
-	max_tokens=500
-)
 messages = [
 	{
 		"role": "user",
 		"content": user_input
 	}
 ]
+completion = client.chat.completions.create(
+    model="Qwen/Qwen2.5-Coder-32B-Instruct", 
+	messages=messages, 
+	max_tokens=500
+)
 
 user_input = st.text_input('Ask me a question') 
 if st.button("Submit"):