From the linked Mpire readme:

    Suppose we want to know the status of the current task: how many tasks are
    completed, how long before the work is ready? It's as simple as setting the 
    progress_bar parameter to True:

        with WorkerPool(n_jobs=5) as pool:
            results = pool.map(time_consuming_function, 
                      range(10), progress_bar=True)

    And it will output a nicely formatted tqdm progress bar.