tree a0519c9459cb3fc85be558901c57a1cfa966b200
parent f2fc4cb99a2980a228b99e3b447da09be0d31942
author Jelle Zijlstra <jelle.zijlstra@gmail.com> 1684716549 -0700
committer GitHub <noreply@github.com> 1684716549 -0700
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add infer_variance for ParamSpec (#172)

For compatibility with Python 3.12, which adds this undocumented
parameter along with the existing covariant/contravariant ones.
Intentionally leaving this undocumented: it's here in case we want
to make variance on ParamSpec mean something later, but it currently
has no supported use.