reformat code

billard/migrations/0020_auto_20170410_1853.py

@@ -4,6 +4,7 @@ from __future__ import unicode_literals
 
 from django.db import migrations
 
+
 def create_default_groups_permissions(apps, schema_editor):
     # We can't import the Person model directly as it may be a newer
     # version than this migration expects. We use the historical version.
@@ -16,6 +17,7 @@ def create_default_groups_permissions(apps, schema_editor):
     ag.save()
     ag.permissions.add(Permission.objects.get(codename="change_accounting"))
 
+
 def delete_default_groups_permissions(apps, schema_editor):
     Group = apps.get_model("auth", "Group")
     Group.objects.get(name='Location').delete()
@@ -23,7 +25,6 @@ def delete_default_groups_permissions(apps, schema_editor):
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ('billard', '0019_merge_20170310_1941'),
         ('sessions', '0001_initial'),