BUG: isnull doesn't properly check for inf when requested#7315

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cpcloud merged 1 commit intopandas-dev:masterfrom

cpcloud:fix-dropna-with-inf-7314

Jun 3, 2014

Commits on Jun 3, 2014

BUG: do not check that val != val and not equal inf/-inf since by def val not eq val is nan
cpcloud
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