diff --git a/src/pretix/presale/context.py b/src/pretix/presale/context.py
index 2904298e5..f922d969d 100644
--- a/src/pretix/presale/context.py
+++ b/src/pretix/presale/context.py
@@ -4,7 +4,9 @@ from django.utils.translation import get_language_info
 from i18nfield.strings import LazyI18nString
 
 from pretix.base.settings import GlobalSettingsObject
-from pretix.control.utils.i18n import get_javascript_format_without_seconds, get_moment_locale
+from pretix.control.utils.i18n import (
+    get_javascript_format_without_seconds, get_moment_locale,
+)
 
 from .signals import footer_link, html_footer, html_head
 
diff --git a/src/pretix/presale/forms/checkout.py b/src/pretix/presale/forms/checkout.py
index 83b158732..be4042d42 100644
--- a/src/pretix/presale/forms/checkout.py
+++ b/src/pretix/presale/forms/checkout.py
@@ -23,9 +23,9 @@ from pretix.base.templatetags.rich_text import rich_text
 from pretix.control.forms import (
     DatePickerWidget, SplitDateTimePickerWidget, TimePickerWidget,
 )
+from pretix.control.utils.i18n import get_format_without_seconds
 from pretix.multidomain.urlreverse import eventreverse
 from pretix.presale.signals import contact_form_fields, question_form_fields
-from pretix.control.utils.i18n import get_format_without_seconds
 
 logger = logging.getLogger(__name__)