path: root/Misc/NEWS.d/next/Library/2020-01-09-10-58-58.bpo-39259.RmDgCC.rst

:class:`~poplib.POP3` and :class:`~poplib.POP3_SSL` now raise a
:class:`ValueError` if the given timeout for their constructor is zero to
prevent the creation of a non-blocking socket. Patch by Dong-hee Na.