fix AttributeError
authorTony Mack <tmack@paris.CS.Princeton.EDU>
Tue, 23 Oct 2012 19:57:49 +0000 (15:57 -0400)
committerTony Mack <tmack@paris.CS.Princeton.EDU>
Tue, 23 Oct 2012 19:57:49 +0000 (15:57 -0400)

No differences found