API: make sure _is_copy on NDFrame is always available (GH5475)#5477

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jreback merged 1 commit intopandas-dev:masterfrom

jreback:is_copy_bug

Nov 9, 2013

Commits on Nov 9, 2013

API: make sure _is_copy on NDFrame is always available (GH5475)
jreback
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