环境：ubuntu 19.10
安装pip
先下载get-pip.py
$wget https://bootstrap.pypa.io/get-pip.py
运行以下代码：
$ sudo python3 get-pip.py
代码出错:
Traceback (most recent call last):
File "get-pip.py", line 22711, in <module>
main()
File "get-pip.py", line 198, in main
bootstrap(tmpdir=tmpdir)
File "get-pip.py", line 82, in bootstrap
from pip._internal.cli.main import main as pip_entry_point
File "/tmp/tmpnoviuj7c/pip.zip/pip/_internal/cli/main.py", line 10, in <module>
File "/tmp/tmpnoviuj7c/pip.zip/pip/_internal/cli/autocompletion.py", line 9, in <module>
File "/tmp/tmpnoviuj7c/pip.zip/pip/_internal/cli/main_parser.py", line 7, in <module>
File "/tmp/tmpnoviuj7c/pip.zip/pip/_internal/cli/cmdoptions.py", line 19, in <module>
ModuleNotFoundError: No module named 'distutils.util'
继续运行：
sudo apt-get install python3-distutils
