tree 24ee4105f2bac844a47aabd0aec91dc0cd9f3655
parent 48fd8772bb017c7e27758709627fc714707fa954
author Allen Li <ayatane@google.com> 1483642972 -0800
committer Allen Li <ayatane@google.com> 1483643071 -0800

Add contextlib2 to pip_packages

This is a backport of Python 3’s contextlib

BUG=None
TEST=None

Change-Id: Icc6a0b6025735b8b8d6c8c963dd8253885b041a2