Used isort to order all import statements

src/pretix/plugins/sendmail/views.py

@@ -1,4 +1,5 @@
 import logging
+
 from django.contrib import messages
 from django.shortcuts import redirect
 from django.utils.translation import ugettext_lazy as _
@@ -10,7 +11,6 @@ from pretix.control.permissions import EventPermissionRequiredMixin
 
 from . import forms
 
-
 logger = logging.getLogger('pretix.plugins.sendmail')