当我在导入sklearn这个库的时候，程序抛出了一个丢弃警告,它的意思是在版本更新后imp库已经不用了，用importlib来代替这个库
Warning (from warnings module):
File "C:\Users\33171\AppData\Local\Programs\Python\Python37\lib\site-packages\sklearn\externals\joblib\externals\cloudpickle\cloudpickle.py", line 47
import imp
DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
因此解决方案就是把它的文件路径copy下来，C:\Users\33171\AppData\Local\Programs\Python\Python37\lib\site-packages\sklearn\externals\joblib\externals\cloudpickle
打开它，然后把cloudpickle.py文件里面的
import imp -->改成 import importlib
from __future__ import print_function import dis
from functools import partial
import importlib #更改之前是 import imp
import io
import itertools
import logging
import opcode
import operator
import pickle
import struct
import sys
import traceback
import types
import weakref
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