403 error need to change the name in setup.py
400 error need to change the version of the same name pkg
register: python setup.py register
upload to test pypi:
python -m twine upload --repository-url https://test.pypi.org/legacy/ dist/*
install:
python -m pip install --index-url https://test.pypi.org/simple/ --no-deps example-pkg
原文：https://www.cnblogs.com/demian/p/10633034.html