def _flip_fiducials(idx_points_nm):
 idx_points_nm[[1, 2]] = idx_points_nm[[2, 1]]
 return idx_points_nm

def _flip_fiducials ( idx_points_nm ) : idx_points_nm [ [ 1 , 2 ] ] = idx_points_nm [ [ 2 , 1 ] ] return idx_points_nm
adjust order of fiducials to neuromag .