[issue35005] argparse should accept json and yaml argument types

[Raymond Hettinger]

Change by Raymond Hettinger <raymond.hettinger at gmail.com>:


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pull_requests: +22713
pull_request: https://github.com/python/cpython/pull/23849

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35005>
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