There is no longer necessary to pre-register packages before uploading.
[skip ci]
find build -name '*.py[co]' -delete &&
python setup.py bdist_wheel --universal &&
find build -name '*.py[co]' -delete &&
python setup.py bdist_wheel --universal &&
-version=`python setup.py --version`
-twine register dist/m_lib-"$version".tar.gz &&
twine upload --sign dist/* &&
twine upload --sign dist/* &&
exec rm -rf build dist m_lib.egg-info
exec rm -rf build dist m_lib.egg-info