I just wanted to give everyone a heads up that PyPI will no longer accept passwords that have been published in data breaches.
For background you can take a look at
https://github.com/pypa/warehouse/pull/4541
.
For high level overview see
https://pypi.org/help/#compromised-password
.
Finally if you have any trouble, please file an issue at
https://github.com/pypa/warehouse/issues/new/choose
.