SNAGGED FROM traceback.py

    RETURN list OF dicts DESCRIBING THE STACK TRACE

def _extract_traceback(start):
    """
    SNAGGED FROM traceback.py

    RETURN list OF dicts DESCRIBING THE STACK TRACE
    """
    tb = sys.exc_info()[2]
    for i in range(start):
        tb = tb.tb_next
    return _parse_traceback(tb)