TYP: check typings with pyright

[twoertwein]

small followup to #44233

[simonjayhawkins]

Thanks @twoertwein

Any changes needed for the pre-commit check?

[twoertwein]

Do you think it makes sense to replace

numba = import_optional_dependency("numa")

with

import_optional_dependency("numa")
import numba

Unfortunately, I didn't find a way to type import_optional_dependency (even with overloads, a module by itself is no type).

Any changes needed for the pre-commit check?

No, pre-commit just calls pyright same as for the CI.

[simonjayhawkins]

I have a PR whch i'm just running the tests etc for before opening in which I use

    if TYPE_CHECKING:
        import numba
    else:
        numba = import_optional_dependency("numba")

[simonjayhawkins]

Thanks @twoertwein