diff --git a/wagtail/wagtailadmin/signals.py b/wagtail/wagtailadmin/signals.py
index 53a135584e..f1c1bcb28a 100644
--- a/wagtail/wagtailadmin/signals.py
+++ b/wagtail/wagtailadmin/signals.py
@@ -1,3 +1,4 @@
 from django.dispatch import Signal
 
-init_new_page = Signal(providing_args=["page","parent"])
\ No newline at end of file
+
+init_new_page = Signal(providing_args=['page', 'parent'])