tree 6e63c99618eaa95f0a640ef88ad1f837a2d9b834
parent a144900b861be806290e3124988c6f9c13c0f1b6
author Raymond Hettinger <python@rcn.com> 1022889980 +0000
committer Raymond Hettinger <python@rcn.com> 1022889980 +0000
HG:extra convert_revision:svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/python/branches/legacy-trunk%4026974

Use is None rather than general boolean