Korektury: fix: dovol přístup orgům

korektury/urls.py

@@ -1,10 +1,12 @@
 from django.conf.urls import *  # NOQA
 from django.conf.urls import patterns, url
-from django.contrib.auth.decorators import permission_required
+from django.contrib.auth.decorators import user_passes_test
 from . import views
 
+staff_member_required = user_passes_test(lambda u: u.is_staff)
+
 urlpatterns = patterns('',
-    url(r'^korektury/$',permission_required('is_staff')(views.KorekturyListView.as_view()),name='korektury-list'),
-    url(r'^korektury/(?P<pdf>\d+)/$', permission_required('is_staff')(views.KorekturyView.as_view()), name='korektury'),
-    url(r'^korektury/help/', permission_required('is_staff')(views.KorekturyHelpView.as_view()), name='korektury-help'),
+    url(r'^korektury/$', staff_member_required(views.KorekturyListView.as_view()), name='korektury-list'),
+    url(r'^korektury/(?P<pdf>\d+)/$', staff_member_required(views.KorekturyView.as_view()), name='korektury'),
+    url(r'^korektury/help/', staff_member_required(views.KorekturyHelpView.as_view()), name='korektury-help'),
 )