That's a mypy-specific hack, not something that's guaranteed by a PEP -- but it works great with mypy!
On Mon, Jan 18, 2021 at 4:40 PM Brandt Bucher <[email protected]> wrote: > Doesn't explicitly setting it yourself still work? > > ``` > TYPE_CHECKING = False > > if TYPE_CHECKING: > import xxx # modules used only in type hints. > ``` > > This seems to work for mypy, at least. Even just doing `if False:` works > correctly (and is arguably the most efficient at runtime). > _______________________________________________ > Python-ideas mailing list -- [email protected] > To unsubscribe send an email to [email protected] > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/[email protected]/message/P5W5ETPGVXN47OW27RICUQQRJZCBVFKQ/ > Code of Conduct: http://python.org/psf/codeofconduct/ > -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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