containing the dependencies required by the |vtf|, allowing a separation
from any existing system-wide packages. |vtf|'s Makefile automatically
creates a virtualenv_ inside build-root and installs the required packages
containing the dependencies required by the |vtf|, allowing a separation
from any existing system-wide packages. |vtf|'s Makefile automatically
creates a virtualenv_ inside build-root and installs the required packages