AttributeError:模块“时间"没有属性“时钟"在SQLAlchemy python 3.8.2中 [英] AttributeError: module 'time' has no attribute 'clock' In SQLAlchemy python 3.8.2

问题描述

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\Anirudh\Documents\flask_app\connecting_to_database\application.py", line 2, in <module>
    from flask_sqlalchemy import SQLAlchemy
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\flask_sqlalchemy\__init__.py", line 18, in <module>
    import sqlalchemy
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\__init__.py", line 9, in <module>
    from .sql import (
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\sql\__init__.py", line 8, in <module>
    from .expression import (
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\sql\expression.py", line 34, in <module>
    from .visitors import Visitable
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\sql\visitors.py", line 28, in <module>
    from .. import util
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\util\__init__.py", line 8, in <module>
    from .compat import callable, cmp, reduce,  \
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\util\compat.py", line 234, in <module>
    time_func = time.clock
AttributeError: module 'time' has no attribute 'clock'

推荐答案

发生错误是因为在python 2中存在time.clock()，但是在python 3中已将其替换为time.perf_counter().

The error occurs because in python 2, there is time.clock(), but in python 3, it has been replaced with time.perf_counter().

只需将所有time.clock替换为time.perf_counter，就可以了.有关更多信息: https://www.webucator.com/blog /2015/08/python-clocks-explained/

Just replace all the time.clock to time.perf_counter, and it should be fine. For more info: https://www.webucator.com/blog/2015/08/python-clocks-explained/

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