pydata/pandas — pull request #3093 by jreback (2013-03-19 18:51:23+00:00)
Title: PERF: added convert=boolean to take to enable negative index conversion

mainly for user facing routines (defaults to True)

was causing a perf regression (see #3089)

#3033 will 'fix' this as will create a new internal routine to do takes
(and make DataFrame/take) user facing only