needed one more byte type string.  trivial fix
needed one more byte type string.  trivial fix

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