[docs] [issue19438] Where is NoneType in Python 3?

[Christian Heimes]

Christian Heimes added the comment:

How about:

    type(v) in (bytes, type(None))

or:

   isinstance(v, (bytes, type(None))

or:

   v is None or type(v) is bytes

or:

  v is None or isinstance(v, bytes)

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nosy: +christian.heimes

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<http://bugs.python.org/issue19438>
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