[issue30517] Enum does not recognize enum.auto as unique values

[Josh Rosenberg]

Josh Rosenberg added the comment:

You didn't instantiate auto; read the docs ( 
https://docs.python.org/3/library/enum.html#using-automatic-values ): auto is a 
class, you instantiate it to make instances for use. If you omit the parens, 
it's just a plain class, not a special value for automatic value assignment.

You want:

    class E(enum.Enum):
        A = enum.auto()
        B = enum.auto()

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nosy: +josh.r

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