Index.map followups · Issue #18482 · pandas-dev/pandas (original) (raw)

In [2]: pd.date_range('20130101', periods=3).map({})
Out[2]: Float64Index([nan, nan, nan], dtype='float64')

In [3]: pd.Index([1,2,3]).map({})
Out[3]: Float64Index([nan, nan, nan], dtype='float64')