def METHOD_NAME(cubes):
    cubes[0].coord('time').units = Unit(
        'days since 1850-1-1 00:00:00',
        calendar='proleptic_gregorian')
    cubes[1].coord('time').units = Unit(
        'days since 1850-1-1 00:00:00',
        calendar='standard')
    for coord in cubes[1].coords():
        coord.points = coord.core_points().astype(
            '>f8', casting='same_kind')
    lat = cubes[1].coord('latitude')
    lat.guess_bounds()
    lat.bounds = lat.core_bounds().astype(
        '>f4', casting='same_kind')
    fix = CLMcomCCLM4817(None)
    out_cubes = fix.fix_metadata(cubes)
    assert cubes is out_cubes
    for cube in out_cubes:
        assert cube.coord('time').units == Unit(
            'days since 1850-1-1 00:00:00',
            calendar='proleptic_gregorian')
        for coord in cube.coords():
            assert coord.points.dtype == np.float64