diff --git a/examples/offline_embed.py b/examples/offline_embed.py
index 9b42587..91fba38 100644
--- a/examples/offline_embed.py
+++ b/examples/offline_embed.py
@@ -18,11 +18,13 @@
 #
 
 import os
+
 os.environ["VLLM_USE_MODELSCOPE"] = "True"
 
 import torch
 from vllm import LLM
 
+
 def get_detailed_instruct(task_description: str, query: str) -> str:
     return f'Instruct: {task_description}\nQuery:{query}'