[1] /usr/bin/pip2  install ${PIP_FLAGS} virtualenv --upgrade

[2] Cannot uninstall 'virtualenv'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.
warning: %post(rpmname-1.0.0_7_g92651c3-1.x86_64) scriptlet failed, exit status 1
Non-fatal POSTIN scriptlet failure in rpm package rpmname-1.0.0_7_g92651c3-1.x86_64