pydata/pandas — pull request #5117 by jtratner (2013-10-05 16:02:04+00:00)
Title: CLN: Remove redundant initialization from Int64Index constructor

`Int64Index` repeated itself and actually reconstructed an ndarray twice when passed in data was an iterable. This simplifies it down but does not actually change any behavior. (you'll see that there was basically exactly the same code twice)