cpython/Misc/NEWS.d/next/Library/2018-02-19-17-46-31.bpo-328...

mirror of https://github.com/python/cpython
In ``os.dup2``, don't check every call whether the ``dup3`` syscall exists
or not.
	In ``os.dup2``, don't check every call whether the ``dup3`` syscall exists
	`or not.`