[issue30152] Reduce the number of imports for argparse

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

I just realized that is is not so easy to avoid gettext import. gettext is used in the ArgumentParser constructor for localizing names of default groups and the default help (besides they are used only for formatting help). This adds importing the locale module.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30152>
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