@staticmethod
def _exec_host_to_tuples(job):
    """returns a tuple with the exec_host information that will be
        inserted into a pandas data frame"""
    tuples = []
    if job.exec_host:
        for host in sorted(job.exec_host.keys()):
            tuples.append((job.job_id, host, job.exec_host[host]))
    return tuples
