[issue9495] argparse unittest tracebacks are confusing if an error is raised when not expected

[Tal Einat]

Tal Einat <taleinat+python at gmail.com> added the comment:


New changeset d4331c56b4f6fe6f18caf19fc1ecf9fec14f7066 by alclarks in branch 'master':
bpo-9495: avoid confusing chained exception in argparse test (GH-17120)
https://github.com/python/cpython/commit/d4331c56b4f6fe6f18caf19fc1ecf9fec14f7066


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nosy: +taleinat

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<https://bugs.python.org/issue9495>
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