diff --git a/examples/asgilook/asgilook/config.py b/examples/asgilook/asgilook/config.py
index 1a39eeba9..9b997d413 100644
--- a/examples/asgilook/asgilook/config.py
+++ b/examples/asgilook/asgilook/config.py
@@ -2,6 +2,7 @@
 import pathlib
 import uuid
 
+
 def from_url_wrapper(url):
     pool = redis.ConnectionPool.from_url(url)
     return redis.Redis.from_pool(pool)