
Newer version of pip doesn't have problem with upgrading existing libraries and tox doesn't have problem with env variables anymore. Change-Id: Iebe84741c26d4eac7a720788dfed93bc1c06e3f5
Newer version of pip doesn't have problem with upgrading existing libraries and tox doesn't have problem with env variables anymore. Change-Id: Iebe84741c26d4eac7a720788dfed93bc1c06e3f5