['', '/usr/local/bin', '/home/keith/devel/onpythonpath',
    '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu',
    '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old',
    '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages']
How can I keep python from loading the 'wrong' package?