[docs] [issue19040] Problems with overriding Enum.__new__

Ethan Furman report at bugs.python.org
Mon Sep 23 03:40:35 CEST 2013

Ethan Furman added the comment:

How about this note after the AutoNumber example?

.. note::

    The :meth:`__new__` method, if defined, is used during creation of the Enum
    members; it is then replaced by Enum's :meth:`__new__` which is used after
    class creation for lookup of existing members.  Due to the way Enums are
    supposed to behave, there is no way to customize Enum's :meth:`__new__`.

nosy: +barry, eli.bendersky
stage:  -> patch review

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