今天运行 py 时出现下面的问题：
DeprecationWarning: Usingor importing the ABCsfrom'collections' instead offrom'collections.abc'is deprecated since Python3.3,andin3.9 it will stop working是这个语句出现的问题：
from collectionsimport Iterable好像是 py 版本更新以后包发生了变化，只需要改一下包名就行：
collections->collections.abc