tree 9d58fb604845030779414f4ca1f7a40330be7625
parent 38e7ae55a99391ade1c01c7c296caa7360a50860
author Tony Mack <tmack@tux.cs.princeton.edu> 1411568551 -0400
committer Tony Mack <tmack@tux.cs.princeton.edu> 1411568551 -0400

fix attribute error