Protect import of in-place methods from operator with try block.
Protect import of in-place methods from operator with try block.

This enables Python 2.4 compatibility.



git-svn-id: 4c7b13231a96299fde701bb5dec4bd2aaf383fc6@306 979d6bd5-6d4d-0410-bece-f567c23bd345

RyanGutenkunst/dadi,niuhuifei/dadi,ChenHsiang/dadi,yangjl/dadi,niuhuifei/dadi,paulirish/dadi,yangjl/dadi,cheese1213/dadi,RyanGutenkunst/dadi,beni55/dadi,beni55/dadi,paulirish/dadi,ChenHsiang/dadi,cheese1213/dadi