import json


def read_init_schedule(filename):
    """Read the initial schedule from data/tabu/sinit.json.
    Args:
        - filename (str): filepath to file containing the initial schedule.
    
    Returns:
        - data (list): a list of job names (str) listed according to the schedule.
    """
    with open(filename) as f:
        data = json.load(f)
        data = data['workflow_0']

    return data