[issue12766] strange interaction between __slots__ and class-level attributes

[Benjamin Peterson]

Benjamin Peterson <benjamin at python.org> added the comment:

So would you prefer to see

>>> x.foo
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: foo
>>> x.foo = 5
>>> x.foo
5
?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12766>
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