PEP8 compliancy

src/pretix/settings.py

@@ -105,7 +105,7 @@ LOCALE_PATHS = (
     'locale',
 )
 
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ugettext_lazy as _  # NOQA
 LANGUAGES = (
     ('de', _('German')),
     ('en', _('English')),
@@ -154,6 +154,6 @@ DEFAULT_CURRENCY = 'EUR'
 INTERNAL_IPS = ('127.0.0.1', '::1')
 
 try:
-    from local_settings import *
+    from local_settings import *  # NOQA
 except ImportError:
     pass

src/pretix/wsgi.py

@@ -10,5 +10,5 @@ https://docs.djangoproject.com/en/dev/howto/deployment/wsgi/
 import os
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "pretix.settings")
 
-from django.core.wsgi import get_wsgi_application
+from django.core.wsgi import get_wsgi_application  # NOQA
 application = get_wsgi_application()

src/pretixbase/types.py

@@ -34,7 +34,8 @@ class VariationDict(dict):
         the PropertyValue id's, sorted by the Property id's and is therefore
         unique among one item.
         """
-        order_key = lambda i: i[0]
+        def order_key(i):
+            i[0]
         return ",".join((
             str(v[1].pk) for v in sorted(self.relevant_items(), key=order_key)
         ))

src/pretixcontrol/views/forms.py

@@ -166,18 +166,20 @@ class VariationsFieldRenderer(forms.widgets.CheckboxFieldRenderer):
             prop2 = properties[1]
             prop2v = list(prop2.values.current.all())
 
-            # Given an iterable of PropertyValue objects, this will return a
-            # list of their primary keys, ordered by the primary keys of the
-            # properties they belong to EXCEPT the value for the property prop2.
-            # We'll see later why we need this.
-            selector = lambda values: [
-                v.identity for v in sorted(values, key=lambda v: v.prop.identity)
-                if v.prop.identity != prop2.identity
-            ]
+            def selector(values):
+                # Given an iterable of PropertyValue objects, this will return a
+                # list of their primary keys, ordered by the primary keys of the
+                # properties they belong to EXCEPT the value for the property prop2.
+                # We'll see later why we need this.
+                return [
+                    v.identity for v in sorted(values, key=lambda v: v.prop.identity)
+                    if v.prop.identity != prop2.identity
+                ]
 
-            # Given a list of variations, this will sort them by their position
-            # on the x-axis
-            sort = lambda v: v[prop2.identity].identity
+            def sort(v):
+                # Given a list of variations, this will sort them by their position
+                # on the x-axis
+                return v[prop2.identity].identity
 
             # We now iterate over the cartesian product of all the other
             # properties which are NOT on the axes of the grid because we

src/pretixcontrol/views/item.py

@@ -752,18 +752,20 @@ class ItemVariations(ItemDetailMixin, EventPermissionRequiredMixin, TemplateView
             # prop2 is the property on all the grid's x-axes
             prop2 = self.properties[1]
 
-            # Given an iterable of PropertyValue objects, this will return a
-            # list of their primary keys, ordered by the primary keys of the
-            # properties they belong to EXCEPT the value for the property prop2.
-            # We'll see later why we need this.
-            selector = lambda values: [
-                v.identity for v in sorted(values, key=lambda v: v.prop.identity)
-                if v.prop.identity != prop2.identity
-            ]
+            def selector(values):
+                # Given an iterable of PropertyValue objects, this will return a
+                # list of their primary keys, ordered by the primary keys of the
+                # properties they belong to EXCEPT the value for the property prop2.
+                # We'll see later why we need this.
+                return [
+                    v.identity for v in sorted(values, key=lambda v: v.prop.identity)
+                    if v.prop.identity != prop2.identity
+                ]
 
-            # Given a list of variations, this will sort them by their position
-            # on the x-axis
-            sort = lambda v: v[prop2.identity].identity
+            def sort(v):
+                # Given a list of variations, this will sort them by their position
+                # on the x-axis
+                return v[prop2.identity].identity
 
             # We now iterate over the cartesian product of all the other
             # properties which are NOT on the axes of the grid because we