It appears that I do have another installation as well. Grr. I'll ask pip to uninstall for me.
$ python -c "import sys; print sys.path"
['', '/usr/lib/python2.7/site-packages/ansible-2.1.0-py2.7.egg', '/home/ansible/ansible/lib', '/home/ansible/parkland', '/usr/lib64/python27.zip', '/usr/lib64/python2.7', '/usr/lib64/python2.7/plat-linux2', '/usr/lib64/python2.7/lib-tk', '/usr/lib64/python2.7/lib-old', '/usr/lib64/python2.7/lib-dynload', '/usr/lib64/python2.7/site-packages', '/usr/lib64/python2.7/site-packages/gtk-2.0', '/usr/lib/python2.7/site-packages', '/usr/lib/python2.7/site-packages']