['',
 '/usr/local/lib/python2.7/site-packages/pip-1.0.2-py2.7.egg',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7/site-packages/pip-1.0.2-py2.7.egg',
 '/Users/Chris/src/python-pinboard',
 '/usr/local/lib/python2.7/site-packages',
 '/usr/local/Cellar/python/2.7.2/lib/python27.zip',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7/plat-darwin',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7/plat-mac',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7/plat-mac/lib-scriptpackages',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7/lib-tk',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7/lib-old',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7/lib-dynload',
 '/usr/local/Cellar/python/2.7.2/lib/python2.7/site-packages']

sudo pip install beautifulsoup # version 3

sudo pip install beautifulsoup4 # version 4