                                                              db_field.rel.to)
                  can_add_related = bool(related_modeladmin and
                              related_modeladmin.has_add_permission(request))
                  formfield.widget = widgets.RelatedFieldWidgetWrapper(
                              formfield.widget, db_field.rel, self.admin_site,
                              can_add_related=can_add_related)
  
              return formfield
  
          # If we've got overrides for the formfield defined, use 'em. **kwargs
          # passed to formfield_for_dbfield override the defaults.
 
</s> remove                             related_modeladmin.has_add_permission(request))
 </s> add                     related_modeladmin.has_add_permission(request)) </s> remove                 related_modeladmin = self.admin_site._registry.get(
                                                            db_field.rel.to)
 </s> add                 related_modeladmin = self.admin_site._registry.get(db_field.rel.to) </s> remove                 '--boundary',
                'Content-Disposition: form-data; name="name"',
                '',
                'value',
                '--boundary--'
                '']))
 </s> add             '--boundary',
            'Content-Disposition: form-data; name="name"',
            '',
            'value',
            '--boundary--'
            ''])) </s> remove                         form[cl.model._meta.pk.name].is_hidden)):
 </s> add                     form[cl.model._meta.pk.name].is_hidden)): </s> remove                 Source.objects.all(),
                ["<Source: Source object>"]
 </s> add             Source.objects.all(),
            ["<Source: Source object>"]
                    formfield.widget, db_field.rel, self.admin_site,
                    can_add_related=can_add_related)
                                                              db_field.rel.to)
                  can_add_related = bool(related_modeladmin and
                              related_modeladmin.has_add_permission(request))
                  formfield.widget = widgets.RelatedFieldWidgetWrapper(
                    formfield.widget, db_field.rel, self.admin_site,
                    can_add_related=can_add_related)
                    formfield.widget, db_field.rel, self.admin_site,
                    can_add_related=can_add_related)
  
              return formfield
  
          # If we've got overrides for the formfield defined, use 'em. **kwargs
          # passed to formfield_for_dbfield override the defaults.
keep keep keep keep replace replace keep keep keep keep keep
 Fixed #21288 -- Fixed E126 pep8 warnings 
django/contrib/admin/options.py