106             def __set_name__(self, owner, name):  argument
107                 self.owner = owner
114         self.assertIs(A.d.owner, A)
121                 self.assertIs(ret.d.owner, ret)
125             def __set_name__(self, owner, name):  argument
126                 self.owner = owner
135             def __set_name__(self, owner, name):  argument
177             def __set_name__(self, owner, name):  argument
178                 self.owner = owner
184                 self.meta_owner = self.owner
190                 cls.owner = cls.d.owner
196         self.assertIs(B.owner, B)
204             def __set_name__(self, owner, name):  argument
205                 setattr(owner, name + 'x', None)