We need to be sure that we use exact same version every time. So fetch upper-constraints.txt file earlier and use it while installing virtualenv package. Change-Id: I61711a878b2bda9f0d2e88966f13121dfcddfda7
We need to be sure that we use exact same version every time. So fetch upper-constraints.txt file earlier and use it while installing virtualenv package. Change-Id: I61711a878b2bda9f0d2e88966f13121dfcddfda7