Used isort to order all import statements

src/pretix/control/context.py

@@ -1,5 +1,6 @@
 from django.conf import settings
-from django.core.urlresolvers import resolve, get_script_prefix
+from django.core.urlresolvers import get_script_prefix, resolve
+
 from .signals import html_head, nav_event
 
 

src/pretix/control/forms/__init__.py

@@ -1,5 +1,6 @@
 from functools import partial
 from itertools import product
+
 from django import forms
 from django.core.exceptions import ValidationError
 from django.db import transaction
@@ -9,9 +10,9 @@ from django.utils.encoding import force_text
 from django.utils.html import format_html
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
-from pretix.base.forms import VersionedModelForm
 
-from pretix.base.models import ItemVariation, Item
+from pretix.base.forms import VersionedModelForm
+from pretix.base.models import Item, ItemVariation
 
 
 class I18nInlineFormSet(BaseInlineFormSet):

src/pretix/control/forms/auth.py

@@ -1,7 +1,9 @@
-from django.contrib.auth.forms import AuthenticationForm as BaseAuthenticationForm
 from django import forms
-from django.utils.translation import ugettext as _
 from django.contrib.auth import authenticate
+from django.contrib.auth.forms import \
+    AuthenticationForm as BaseAuthenticationForm
+from django.utils.translation import ugettext as _
+
 from pretix.base.models import User
 
 

src/pretix/control/forms/event.py

@@ -1,10 +1,9 @@
-from django.conf import settings
 from django import forms
+from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
-
 from pytz import common_timezones
 
-from pretix.base.forms import VersionedModelForm, SettingsForm
+from pretix.base.forms import SettingsForm, VersionedModelForm
 from pretix.base.models import Event
 
 

src/pretix/control/forms/item.py

@@ -1,11 +1,14 @@
 import copy
+
 from django.db import models
 from django.forms import BooleanField
 from django.utils.translation import ugettext_lazy as _
-from pretix.base.forms import VersionedModelForm, I18nModelForm
+
+from pretix.base.forms import I18nModelForm, VersionedModelForm
 from pretix.base.models import (
-    Item, ItemCategory, Property, ItemVariation, PropertyValue, Question, Quota,
-    Versionable)
+    Item, ItemCategory, ItemVariation, Property, PropertyValue, Question,
+    Quota, Versionable,
+)
 from pretix.control.forms import TolerantFormsetModelForm, VariationsField
 
 

src/pretix/control/forms/orders.py

@@ -1,5 +1,4 @@
 from pretix.base.forms import VersionedModelForm
-
 from pretix.base.models import Order
 
 

src/pretix/control/forms/organizer.py

@@ -1,7 +1,7 @@
 from django import forms
 from django.utils.translation import ugettext_lazy as _
-from pretix.base.forms import VersionedModelForm
 
+from pretix.base.forms import VersionedModelForm
 from pretix.base.models import Organizer
 
 

src/pretix/control/middleware.py

@@ -1,13 +1,14 @@
 from urllib.parse import urlparse
+
 from django.conf import settings
-from django.core.urlresolvers import resolve, get_script_prefix
-from django.utils.encoding import force_str
-from django.shortcuts import resolve_url
 from django.contrib.auth import REDIRECT_FIELD_NAME
+from django.core.urlresolvers import get_script_prefix, resolve
 from django.http import HttpResponseNotFound
+from django.shortcuts import resolve_url
+from django.utils.encoding import force_str
 from django.utils.translation import ugettext as _
 
-from pretix.base.models import Event, Organizer, EventPermission
+from pretix.base.models import Event, EventPermission, Organizer
 
 
 class PermissionMiddleware:

src/pretix/control/signals.py

@@ -1,6 +1,5 @@
 from pretix.base.signals import EventPluginSignal
 
-
 """
 This signal is sent out to build configuration forms for all restriction formsets
 (see plugin API documentation for details).

src/pretix/control/templatetags/order_overview.py

@@ -1,8 +1,7 @@
 from django import template
+from django.utils import formats
 from django.utils.html import conditional_escape
 from django.utils.safestring import mark_safe
-from django.utils import formats
-
 
 register = template.Library()
 

src/pretix/control/urls.py

@@ -1,7 +1,8 @@
-from django.conf.urls import url, include
+from django.conf.urls import include, url
 
-
-from pretix.control.views import main, event, item, auth, orders, user, organizer
+from pretix.control.views import (
+    auth, event, item, main, orders, organizer, user,
+)
 
 urlpatterns = [
     url(r'^logout$', auth.logout, name='auth.logout'),

src/pretix/control/views/auth.py

@@ -1,9 +1,13 @@
 from django.conf import settings
-from django.shortcuts import render, redirect
-from django.contrib.auth import login as auth_login, authenticate
-from django.contrib.auth import logout as auth_logout
+from django.contrib.auth import (
+    authenticate, login as auth_login, logout as auth_logout,
+)
+from django.shortcuts import redirect, render
+
 from pretix.base.models import User
-from pretix.control.forms.auth import AuthenticationForm, GlobalRegistrationForm
+from pretix.control.forms.auth import (
+    AuthenticationForm, GlobalRegistrationForm,
+)
 
 
 def login(request):

src/pretix/control/views/event.py

@@ -1,21 +1,29 @@
 from collections import OrderedDict
-from django import forms
 
+from django import forms
 from django.contrib import messages
+from django.core.urlresolvers import reverse
 from django.db.models import Sum
 from django.forms import modelformset_factory
-from django.shortcuts import render, redirect
+from django.shortcuts import redirect, render
 from django.utils.functional import cached_property
+from django.utils.translation import ugettext_lazy as _
 from django.views.generic import FormView
 from django.views.generic.base import TemplateView
 from django.views.generic.detail import SingleObjectMixin
-from django.utils.translation import ugettext_lazy as _
-from django.core.urlresolvers import reverse
+
 from pretix.base.forms import VersionedModelForm
-from pretix.control.forms.event import ProviderForm, TicketSettingsForm, EventSettingsForm, EventUpdateForm
-from pretix.base.models import Event, OrderPosition, Order, Item, EventPermission, User
-from pretix.base.signals import register_payment_providers, register_ticket_outputs
+from pretix.base.models import (
+    Event, EventPermission, Item, Order, OrderPosition, User,
+)
+from pretix.base.signals import (
+    register_payment_providers, register_ticket_outputs,
+)
+from pretix.control.forms.event import (
+    EventSettingsForm, EventUpdateForm, ProviderForm, TicketSettingsForm,
+)
 from pretix.control.permissions import EventPermissionRequiredMixin
+
 from . import UpdateView
 
 

src/pretix/control/views/item.py

@@ -1,26 +1,33 @@
 from itertools import product
 
 from django.contrib import messages
+from django.core.urlresolvers import resolve, reverse
 from django.db import transaction
+from django.forms.models import inlineformset_factory
+from django.http import Http404, HttpResponseForbidden, HttpResponseRedirect
+from django.shortcuts import redirect
 from django.utils.functional import cached_property
+from django.utils.translation import ugettext_lazy as _
 from django.views.generic import ListView
-from django.views.generic.edit import DeleteView
 from django.views.generic.base import TemplateView
 from django.views.generic.detail import SingleObjectMixin
-from django.core.urlresolvers import resolve, reverse
-from django.http import HttpResponseRedirect, HttpResponseForbidden, Http404
-from django.shortcuts import redirect
-from django.forms.models import inlineformset_factory
-from django.utils.translation import ugettext_lazy as _
+from django.views.generic.edit import DeleteView
+
 from pretix.base.models import (
-    Item, ItemCategory, Property, ItemVariation, PropertyValue, Question, Quota)
-from pretix.control.forms.item import ItemVariationForm, QuotaForm, QuestionForm, PropertyForm, PropertyValueForm, \
-    CategoryForm
-from pretix.control.forms.item import ItemFormGeneral
-from pretix.control.permissions import EventPermissionRequiredMixin, event_permission_required
-from pretix.control.forms import VariationsField, I18nInlineFormSet
+    Item, ItemCategory, ItemVariation, Property, PropertyValue, Question,
+    Quota,
+)
+from pretix.control.forms import I18nInlineFormSet, VariationsField
+from pretix.control.forms.item import (
+    CategoryForm, ItemFormGeneral, ItemVariationForm, PropertyForm,
+    PropertyValueForm, QuestionForm, QuotaForm,
+)
+from pretix.control.permissions import (
+    EventPermissionRequiredMixin, event_permission_required,
+)
 from pretix.control.signals import restriction_formset
-from . import UpdateView, CreateView
+
+from . import CreateView, UpdateView
 
 
 class ItemList(ListView):

src/pretix/control/views/main.py

@@ -1,8 +1,8 @@
 from django.contrib import messages
 from django.core.urlresolvers import reverse
 from django.shortcuts import render
-from django.views.generic import ListView, CreateView, TemplateView
 from django.utils.translation import ugettext_lazy as _
+from django.views.generic import CreateView, ListView, TemplateView
 
 from pretix.base.models import Event, EventPermission, OrganizerPermission
 from pretix.control.forms.event import EventCreateForm

src/pretix/control/views/orders.py

@@ -1,14 +1,15 @@
 from itertools import groupby
 
 from django.contrib import messages
-from django.db.models import Count, Q, Sum
-from django.utils.timezone import now
-from django.utils.translation import ugettext_lazy as _
+from django.db.models import Q, Count, Sum
 from django.http import HttpResponse
 from django.shortcuts import redirect, render
 from django.utils.functional import cached_property
-from django.views.generic import ListView, DetailView, TemplateView, View
-from pretix.base.models import Order, Quota, OrderPosition, ItemCategory, Item
+from django.utils.timezone import now
+from django.utils.translation import ugettext_lazy as _
+from django.views.generic import DetailView, ListView, TemplateView, View
+
+from pretix.base.models import Item, ItemCategory, Order, OrderPosition, Quota
 from pretix.base.services.orders import mark_order_paid
 from pretix.base.signals import register_payment_providers
 from pretix.control.forms.orders import ExtendForm

src/pretix/control/views/organizer.py

@@ -2,10 +2,10 @@ from django.contrib import messages
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseForbidden
 from django.utils.translation import ugettext_lazy as _
-from django.views.generic import ListView, UpdateView, CreateView
+from django.views.generic import CreateView, ListView, UpdateView
 
 from pretix.base.models import Organizer, OrganizerPermission
-from pretix.control.forms.organizer import OrganizerUpdateForm, OrganizerForm
+from pretix.control.forms.organizer import OrganizerForm, OrganizerUpdateForm
 from pretix.control.permissions import OrganizerPermissionRequiredMixin
 
 

src/pretix/control/views/user.py

@@ -1,10 +1,10 @@
 from django.contrib import messages
 from django.contrib.auth import update_session_auth_hash
 from django.core.urlresolvers import reverse
-from django.views.generic import UpdateView
 from django.utils.translation import ugettext_lazy as _
-from pretix.base.forms.user import UserSettingsForm
+from django.views.generic import UpdateView
 
+from pretix.base.forms.user import UserSettingsForm
 from pretix.base.models import User