関連ワード:  python pool can't pickle local object    python multiprocessing can t pickle local object    python multiprocessing can't pickle local object lambda    python multiprocessing pool can't pickle local object    python pool map can't pickle local object    python pool attributeerror can t pickle local object    python multiprocessing attributeerror can t pickle local object    python multiprocessing pool attributeerror can't pickle local object    python multiprocessing pool map can t pickle local object    pool objects cannot be passed between processes or pickled  
結果 : python pool can't pickle local object