[issue19025] Deleting attribute of Enum gives misleading error message

[Ethan Furman]

Ethan Furman added the comment:

Perhaps a section in the docs about the differences from typical Python classes is warranted:

  - Enum members are virtual
  - Enum members are singletons
  - new Enum members (aka instances of an Enum class) cannot be created
  - during class creation Enum members cannot be overwritten, nor overwrite
    other class attributes
  - Enum classes with members cannot be subclassed
  - Enum classes support iteration
  - Enum classes support containment

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nosy: +eli.bendersky

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19025>
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