[issue29843] errors raised by ctypes.Array for invalid _length_ attribute

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

> Should this be back-ported to 3.7 and 3.6? 2.7?

IMHO it's a bad idea to introduce a *new* exception in stable version. I suggest to only modify the master branch.

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nosy: +vstinner
versions: +Python 3.8 -Python 3.7

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