[pypy-issue] [issue1595] Inconsistency between CPython an PyPy while using argparse with mutual exclusion

[Armin Rigo]

Armin Rigo <armin.rigo at gmail.com> added the comment:

Argh, good spot.  Yes, I believe that it's clearly a misuse of the "is"
operator.  It should be fixed in argparse.py and sent as a CPython bug report
for the next 2.7.x micro release (and possibly for CPython 3).

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nosy: +arigo

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