def METHOD_NAME(chkfile, key):
    ''' Load array(s) from chkfile.
    See pyscf.lib.chkfile
    '''
    if mpi_helper.rank == 0:
        vals = chkutil.METHOD_NAME(chkfile, key)
    else:
        vals = None
    mpi_helper.barrier()
    vals = mpi_helper.bcast_dict(vals)
    return vals