1.引入模块报错
from collections import Iterator,Iterable
报错：
DeprecationWarning: Using or importing the ABCs from ‘collections‘ instead of from ‘collections.abc‘ is deprecated, and in 3.8 it will stop working from collections import Iterator,Iterable
2.修改为：
from collections.abc import Iterator,Iterable
模块导入from collections import Iterator,Iterable失败
原文：https://www.cnblogs.com/NGU-PX/p/11388827.html