def print_last(limit=None, file=None):
    if file is None:
        file = sys.stderr
    print_exception(sys.last_type, sys.last_value, sys.last_traceback,
                    limit, file)
This is a shorthand for 'print_exception(sys.last_type,
dataset/ETHPy150Open babble/babble/include/jython/Lib/traceback.py/print_last