Now fetch.pypi only can get the sdist. How can we get wheel? ```nix src = fetchurl { url = "https://pypi.org/packages/source/f/foo-bar/foo-bar-0.0.1.tar.gz"; sha256 = "sha256-LpqOFSAPgw3roaocDRQpajPyt+twvce4KY/kZD9xAY4="; }; ```
Now fetch.pypi only can get the sdist. How can we get wheel?