$ grep '/opt/stack' /usr/local/lib/python2.7/* -R
Binary file /usr/local/lib/python2.7/dist-packages/sqlalchemy/cresultproxy.so matches
Binary file /usr/local/lib/python2.7/dist-packages/sqlalchemy/cprocessors.so matches
/usr/local/lib/python2.7/dist-packages/easy-install.pth:/opt/stack/python-keystoneclient
/usr/local/lib/python2.7/dist-packages/easy-install.pth:/opt/stack/python-novaclient
/usr/local/lib/python2.7/dist-packages/easy-install.pth:/opt/stack/python-openstackclient
/usr/local/lib/python2.7/dist-packages/easy-install.pth:/opt/stack/keystone
/usr/local/lib/python2.7/dist-packages/easy-install.pth:/opt/stack/glance
/usr/local/lib/python2.7/dist-packages/keystone.egg-link:/opt/stack/keystone
/usr/local/lib/python2.7/dist-packages/glance.egg-link:/opt/stack/glance
/usr/local/lib/python2.7/dist-packages/python-keystoneclient.egg-link:/opt/stack/python-keystoneclient
/usr/local/lib/python2.7/dist-packages/python-novaclient.egg-link:/opt/stack/python-novaclient
/usr/local/lib/python2.7/dist-packages/python-openstackclient.egg-link:/opt/stack/python-openstackclient