Python Insider: Use two-factor auth to improve your PyPI account's security

To increase the security of Python package downloads, we're beginning to introduce two-factor authentication (2FA) as a login security option on the Python Package Index. This is thanks to a grant from the Open Technology Fund; coordinated by the Packaging Working Group of the Python Software Foundation. Starting today, the canonical Python Package Index at PyPI.org and the test site at test.pypi.