这个是什么错误呢？

from datetime import datetime

from utils.trans.tools import gen_trans_id


def test_trans_tool():
    """测试trans包下的tools模块"""
    id1 = gen_trans_id()
    print(id1)
    date = datetime(2015, 10, 2, 12, 30, 45)
    id2 = gen_trans_id(date)
    print(id2)


if __name__ == '__main__':
    test_trans_tool()

C:\python-projects\venv\Scripts\python.exe C:/python-projects/utils/test_module.py

Traceback (most recent call last):

  File "C:/python-projects/utils/test_module.py", line 16, in <module>

    test_trans_tool()

  File "C:/python-projects/utils/test_module.py", line 8, in test_trans_tool

    id1 = gen_trans_id()

  File "C:\python-projects\utils\trans\tools.py", line 15, in gen_trans_id

    return datetime.strptime('%Y%m%d%H%M%S%f')

TypeError: strptime() takes exactly 2 arguments (1 given)

Process finished with exit code 1