[1.11.x] Refs #27919 -- Changed Widget.get_context() attrs kwarg to an arg.

Backport of 075e93c16a82ba7869a0b2d572e99fdbd0724042 and
93d07701045c242f81396016ab4ae15ba63a55d9 from master

1 files changed, 4 insertions, 4 deletions

diff --git a/django/contrib/admin/widgets.py b/django/contrib/admin/widgets.py
index bf597384ad..669c715123 100644
--- a/django/contrib/admin/widgets.py
+++ b/django/contrib/admin/widgets.py
@@ -34,7 +34,7 @@ class FilteredSelectMultiple(forms.SelectMultiple):
         self.is_stacked = is_stacked
         super(FilteredSelectMultiple, self).__init__(attrs, choices)
 
-    def get_context(self, name, value, attrs=None):
+    def get_context(self, name, value, attrs):
         context = super(FilteredSelectMultiple, self).get_context(name, value, attrs)
         context['widget']['attrs']['class'] = 'selectfilter'
         if self.is_stacked:
@@ -132,7 +132,7 @@ class ForeignKeyRawIdWidget(forms.TextInput):
         self.db = using
         super(ForeignKeyRawIdWidget, self).__init__(attrs)
 
-    def get_context(self, name, value, attrs=None):
+    def get_context(self, name, value, attrs):
         context = super(ForeignKeyRawIdWidget, self).get_context(name, value, attrs)
         rel_to = self.rel.model
         if rel_to in self.admin_site._registry:
@@ -199,7 +199,7 @@ class ManyToManyRawIdWidget(ForeignKeyRawIdWidget):
     """
     template_name = 'admin/widgets/many_to_many_raw_id.html'
 
-    def get_context(self, name, value, attrs=None):
+    def get_context(self, name, value, attrs):
         context = super(ManyToManyRawIdWidget, self).get_context(name, value, attrs)
         if self.rel.model in self.admin_site._registry:
             # The related object is registered with the same AdminSite
@@ -268,7 +268,7 @@ class RelatedFieldWidgetWrapper(forms.Widget):
         return reverse("admin:%s_%s_%s" % (info + (action,)),
                        current_app=self.admin_site.name, args=args)
 
-    def get_context(self, name, value, attrs=None):
+    def get_context(self, name, value, attrs):
         from django.contrib.admin.views.main import IS_POPUP_VAR, TO_FIELD_VAR
         rel_opts = self.rel.model._meta
         info = (rel_opts.app_label, rel_opts.model_name)