add a docstring in an attempt to trigger a build
add a docstring in an attempt to trigger a build

low-sky/pyspeckit,jpinedaf/pyspeckit,jpinedaf/pyspeckit,vlas-sokolov/pyspeckit,vlas-sokolov/pyspeckit,e-koch/pyspeckit,pyspeckit/pyspeckit,e-koch/pyspeckit,keflavich/pyspeckit,low-sky/pyspeckit,pyspeckit/pyspeckit,keflavich/pyspeckit