Add a docstring.
Add a docstring.

ryanpetrello/pecan,citrix-openstack-build/pecan,jimrollenhagen/pecan,ryanpetrello/pecan,pecan/pecan,StackStorm/pecan,citrix-openstack-build/pecan,jdandrea/pecan,pecan/pecan,StackStorm/pecan,jdandrea/pecan,jimrollenhagen/pecan