The __name__ attribute doesn't appear in the dir() of a
class, yet is an available attribute.

The below reproduces the problem:

>>> class Foo(object):
	pass
>>> dir(Foo)
['__class__', '__delattr__', '__dict__', '__doc__',
'__getattribute__', '__hash__', '__init__',
'__module__', '__new__', '__reduce__', '__reduce_ex__',
'__repr__', '__setattr__', '__str__', '__weakref__']
>>> Foo.__name__
'Foo'

Note that this is different from the attribute
appearing in an *instance* of the class, as in

>>> x = Foo()
>>> '__name__' in dir(x)

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user_id=849994

Duplicate of #945861.