Clear settings cache after migration

src/pretix/plugins/sendmail/views.py

@@ -16,6 +16,7 @@ from pretix.base.models import InvoiceAddress, LogEntry, Order
 from pretix.base.services.mail import SendMailException, mail
 from pretix.control.permissions import EventPermissionRequiredMixin
 from pretix.multidomain.urlreverse import build_absolute_uri
+
 from . import forms
 
 logger = logging.getLogger('pretix.plugins.sendmail')

src/pretix/plugins/ticketoutputpdf/views.py

@@ -21,6 +21,7 @@ from pretix.control.permissions import EventPermissionRequiredMixin
 from pretix.control.views import ChartContainingView
 from pretix.helpers.database import rolledback_transaction
 from pretix.plugins.ticketoutputpdf.signals import get_fonts
+
 from .ticketoutput import PdfTicketOutput
 
 logger = logging.getLogger(__name__)