make to_timedelta return numpy
make to_timedelta return numpy

to_timedelta naturally uses numpy.timedelta64 but gets cast to
pandas[1]. just make it return numpy.

[1] https://pandas.pydata.org/pandas-docs/stable/generated/pandas.to_timedelta.html

leandroreox/gnocchi,gnocchixyz/gnocchi,leandroreox/gnocchi,gnocchixyz/gnocchi,sileht/gnocchi,sileht/gnocchi