def getReportTime(row):
    if len(row['report_time']) > 0:
        report_time = dateutil.parser.parse(row['report_time'])
        report_time = report_time.utctimetuple()
    else:
        report_time = None
    return report_time

def getReportTime(row):
    if len(row['report_time']) > 0:
        report_time = dateutil.parser.parse(row['report_time'])
        return report_time.utctimetuple()