Run correctly even if called while in tools/ directory, as 'python install_venv.py'
Run correctly even if called while in tools/ directory, as 'python install_venv.py'
hyakuhei/cleantox,zancas/hacking,openstack-dev/hacking,openstack-dev/hacking,zancas/hacking,emonty/oslo-hacking,hyakuhei/cleantox,emonty/oslo-hacking