[docs] [issue16418] argparse with many choices can generate absurdly long usage message

[Terry J. Reedy]

Terry J. Reedy added the comment:

I see that in #16468, Chris proposes that existing versions should let the TypeError propagate, possibly with an improved error message, and call the use of repr for non-iterables a new feature (partly on the basis that more fixes than this are needed to use them).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16418>
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