OrderedEnum examples

[Ethan Furman]

On 07/30/2013 11:58 AM, Ian Kelly wrote:
> On Tue, Jul 30, 2013 at 12:18 PM, Bas van der Wulp <Bas.vdWulp at gmail.com> wrote:
>> Replacing each occurrence of self._value with either self._value_ or
>> self.value in the examples seems to make them work as expected.
>>
>> Are both examples incorrect, or not intended to work in Python 2.x?
>
> The _value attribute was renamed _value_ in:
>
> http://hg.python.org/cpython/rev/511c4daac102
>
> It looks like the example wasn't updated to match.  You should
> probably just use self.value here since the name of the private
> attribute is an implementation detail.

In `__new__` it has to be `_value_`, but in the other methods `.value` works fine.  Updated the 3.4 example with `.value`.

--
~Ethan~