swifter.apply not work on Mac?

[Kedao98]

import time

import pandas as pd

repeat = int(1e5)
sleep_time = 10 / repeat
df = pd.DataFrame([1] * repeat, columns=['app'])


if __name__ == '__main__':
    from pandarallel import pandarallel
    pandarallel.initialize(progress_bar=False)
    start_time = time.time()
    df['app'].parallel_apply(lambda x: time.sleep(sleep_time))
    end_time = time.time()
    print('pandarallel', end_time - start_time)

    import swifter
    swifter.set_defaults(allow_dask_on_strings=True, force_parallel=True, progress_bar=False)
    start_time = time.time()
    df['app'].swifter.apply(lambda x: time.sleep(sleep_time))
    end_time = time.time()
    print('swifter', end_time - start_time)

pandarallel 1.5697338581085205 swifter 8.031449794769287

[hiDaDeng]

df['app'].swifter.force_parallel(enable=True).apply(lambda x: time.sleep(sleep_time))