diff --git a/daphne/cli.py b/daphne/cli.py
index 925f43e..2e65b12 100755
--- a/daphne/cli.py
+++ b/daphne/cli.py
@@ -3,6 +3,7 @@ import functools
 import logging
 import sys
 from argparse import ArgumentError, Namespace
+
 from asgiref.compatibility import is_double_callable
 
 from .access import AccessLogGenerator