remove redundant wheel requirement from pyproject.toml

[mgorny]

Remove the dependency on wheel from pyproject.toml. It was never
required, and modern setuptools documentation advises against it.

[codecov]

Codecov Report

Merging #126 (ec0e6fc) into main (257747b) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #126   +/-   ##
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  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines          373       373           
  Branches        79        79           
=========================================
  Hits           373       373           

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[samuelcolvin]

thanks.

[mgorny]

Thanks for merging!

[samuelcolvin]

Is there a link to this advice? In some cases it does seem to be required, or at least avoid warnings when installing locally.

[mgorny]

The documentation for declaring build-system is here: https://setuptools.pypa.io/en/latest/build_meta.html#how-to-use-it

Particularly note:

The setuptools package implements the build_sdist command and the wheel package implements the build_wheel command; the latter is a dependency of the former exposed via PEP 517 hooks.

i.e. you say that your project needs setuptools, then setuptools.build_meta says it needs wheel.

The commit correcting the docs is pypa/setuptools@f7d30a9.