[3.9] bpo-46032: Check types in singledispatch's register() at declaration time (GH-30050) (GH-30254) #30255
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…ration time (pythonGH-30050) (pythonGH-30254) The registry() method of functools.singledispatch() functions checks now the first argument or the first parameter annotation and raises a TypeError if it is not supported. Previously unsupported "types" were ignored (e.g. typing.List[int]) or caused an error at calling time (e.g. list[int]). (cherry picked from commit 078abb6) (cherry picked from commit 03c7449) Co-authored-by: Serhiy Storchaka <[email protected]>
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The registry() method of functools.singledispatch() functions checks now
the first argument or the first parameter annotation and raises a TypeError if it is
not supported. Previously unsupported "types" were ignored (e.g. typing.List[int])
or caused an error at calling time (e.g. list[int]).
(cherry picked from commit 078abb6)
(cherry picked from commit 03c7449)
Co-authored-by: Serhiy Storchaka [email protected]
https://bugs.python.org/issue46032