[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:

CPython is at fault there, because it's inconsistent: if you take your example
with "default=3" and replace it with "default=3000", you'll see that the
behavior of CPython changes.  We'll wait until http://bugs.python.org/issue18943
is resolved one way or another and then, as necessary, import the fix.

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