Install binary version of psycopg2
Surpresses a warning and we haven't had issues with the binary package
See also http://initd.org/psycopg/docs/install.html#binary-install-from-pypi
Surpresses a warning and we haven't had issues with the binary package
See also http://initd.org/psycopg/docs/install.html#binary-install-from-pypi