Make set_by_inds_from_inds() return return without exception when len(ind_dest) == 0, but also check that len(ind_src) == len(ind_dest) otherwise.
Make set_by_inds_from_inds() return return without exception when len(ind_dest) == 0, but also check that len(ind_src) == len(ind_dest) otherwise.

cerrno/neurokernel