Update app.py

app.py

@@ -189,7 +189,7 @@ def create_interface():
             return f"""
 **Model:** {model_id}
 **Status:** ❌ Error
-**Response Time:** {result['response_time']s if result['response_time'] else 'N/A'}
+**Response Time:** {result['response_time'] if result['response_time'] else 'N/A'}s
 
 **Error:**
 {result['error']}