python3.8降到python3.6出现ModuleNotFoundError: No module named ‘distutils.util‘

问题描述

提示：这里描述具体问题：python3.8降到python3.6出现的一系列问题：
1.ModuleNotFoundError: No module named ‘distutils.util’
这个实在使用pip3时出现的，terminal中输入pip3就会提示

**Traceback (most recent call last):
  File "/usr/bin/pip", line 11, in 
    load_entry_point('pip==20.0.2', 'console_scripts', 'pip')()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 490, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2854, in load_entry_point
    return ep.load()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2445, in load
    return self.resolve()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2451, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/lib/python3/dist-packages/pip/_internal/cli/main.py", line 10, in 
    from pip._internal.cli.autocompletion import autocomplete
  File "/usr/lib/python3/dist-packages/pip/_internal/cli/autocompletion.py", line 9, in 
    from pip._internal.cli.main_parser import create_main_parser
  File "/usr/lib/python3/dist-packages/pip/_internal/cli/main_parser.py", line 7, in 
    from pip._internal.cli import cmdoptions
  File "/usr/lib/python3/dist-packages/pip/_internal/cli/cmdoptions.py", line 19, in 
    from distutils.util import strtobool
ModuleNotFoundError: No module named 'distutils.util'
**

原因是在python3.8降到python3.6的时候默认python3走的还是python3.8需手动切换到python3.6

详见：http://t.csdn.cn/U4xrC

打开文件

vim /usr/bin/pip3

将

#!/usr/bin/python3
# EASY-INSTALL-ENTRY-SCRIPT: 'pip==20.0.2','console_scripts','pip3'
__requires__ = 'pip==20.0.2'
import re 
import sys
from pkg_resources import load_entry_point

if __name__ == '__main__':
    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
    sys.exit(
        load_entry_point('pip==20.0.2', 'console_scripts', 'pip3')()
    )

修改为

#!/usr/bin/python3.8
# EASY-INSTALL-ENTRY-SCRIPT: 'pip==20.0.2','console_scripts','pip3'
__requires__ = 'pip==20.0.2'
import re
import sys
from pkg_resources import load_entry_point

if __name__ == '__main__':
    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
    sys.exit(
        load_entry_point('pip==20.0.2', 'console_scripts', 'pip3')()
    )

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