python错误合集：Using or importing the ABCs from ‘collections‘ instead of from ‘collections.abc‘
错误信息：DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3,and in 3.9 it will stop working弃用警告：从collections中导入ABCs已被弃用，并在python3.3和python3.9中将停止使用，可使用collections.abc代替出处：在使
