>>> idx = pd.to_timedelta([1, 2, 3], unit='D')
>>> idx
TimedeltaIndex(['1 days', '2 days', '3 days'],
dtype='timedelta64[ns]', freq=None)
>>> idx.to_pytimedelta()
array([datetime.timedelta(days=1), datetime.timedelta(days=2),
datetime.timedelta(days=3)], dtype=object)