Binary package “python3-contextlib2” in openkylin yangtze

Backport and enhancements for the contextlib module - Python 3.x

 contextlib2 is a backport of the standard library's contextlib module to
 earlier Python versions.
 .
 It also serves as a real world proving ground for possible future
 enhancements to the standard library version.
 .
 This package contains the Python 3.x module.