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bugmypy got something wrongmypy got something wrongtopic-paramspecPEP 612, ParamSpec, ConcatenatePEP 612, ParamSpec, Concatenate
Description
Bug Report
Passing ParamSpec
'd function (e.g. named spawn
) to itself results in an error:
Argument 1 to "spawn" has incompatible type "Callable[[Arg(Callable[P, T], 'f'), **P], str]";
expected "Callable[[Arg(Callable[P, T], 'f'), **P], str]"
^ indentation added to highlight that the 'actual' and 'expected' types are the same (at least in their rendered form)
My motivation was to type-annotate Greenlet.spawn
of the gevent
library.
To Reproduce
Gist URL: https://gist.github.com/05a7c5bb1a380684d82210e5589fb048
Playground URL: https://mypy-play.net/?mypy=latest&python=3.10&gist=05a7c5bb1a380684d82210e5589fb048
Your Environment
- Mypy version used: 0.961
- Python version used: 3.10
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bugmypy got something wrongmypy got something wrongtopic-paramspecPEP 612, ParamSpec, ConcatenatePEP 612, ParamSpec, Concatenate