urls.py: fix a style error for black

Author: ppaeps

hackman/urls.py

@@ -13,6 +13,7 @@
     1. Import the include() function: from django.conf.urls import url, include
     2. Add a URL to urlpatterns:  path(r'blog/', include('blog.urls'))
 """
+
 from django.contrib.auth import views as auth_views
 from django.urls import path, re_path
 from django.http import (