Fix imports

src/pretix/control/datasync.py

@@ -3,12 +3,13 @@ from django.dispatch import receiver
 from django.http import HttpResponseNotAllowed
 from django.shortcuts import redirect
 from django.template.loader import get_template
+from django.utils.translation import gettext_lazy as _
 
 from pretix.base.datasync.datasync import sync_targets
 from pretix.base.models import Event, Order
 from pretix.control.signals import order_info
 from pretix.control.views.orders import OrderView
-from django.utils.translation import gettext_lazy as _
+
 
 @receiver(order_info, dispatch_uid="datasync_control_order_info")
 def on_control_order_info(sender: Event, request, order: Order, **kwargs):

src/pretix/control/forms/mapping.py

@@ -2,8 +2,11 @@ from django import forms
 from django.forms import formset_factory
 from django.utils.translation import gettext_lazy as _
 
+from pretix.base.datasync.datasync import (
+    MODE_APPEND_LIST, MODE_OVERWRITE, MODE_SET_IF_EMPTY, MODE_SET_IF_NEW,
+)
 from pretix.base.datasync.sourcefields import QUESTION_TYPE_IDENTIFIERS
-from pretix.base.datasync.datasync import MODE_SET_IF_NEW, MODE_SET_IF_EMPTY, MODE_OVERWRITE, MODE_APPEND_LIST
+
 
 class PropertyMappingForm(forms.Form):
     pretix_field = forms.CharField()