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pip install --upgrade pip
执行后报如下错误~~
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting pip
Downloading https://pypi.tuna.tsinghua.edu.cn/packages/00/b6/9cfa56b4081ad13874b0c6f96af8ce16cfbc1cb06bedf8e9164ce5551ec1/pip-19.3.1-py2.py3-none-any.whl (1.4MB)
|████████████████████████████████| 1.4MB 204kB/s
Installing collected packages: pip
Found existing installation: pip 19.2.3
Uninstalling pip-19.2.3:
Successfully uninstalled pip-19.2.3
Rolling back uninstall of pip
Moving to c:\users\鬼义虎神\appdata\roaming\python\python37\scripts\pip.exe
from C:\Users\鬼义虎神\AppData\Local\Temp\pip-uninstall-u207wbsg\pip.exe
...略...
ERROR: Exception:
...略...
File "C:\Users\鬼义虎神\AppData\Roaming\Python\Python37\site-packages\pip\_vendor\distlib\scripts.py", line 231, in _write_script
launcher = self._get_launcher('t')
File "C:\Users\鬼义虎神\AppData\Roaming\Python\Python37\site-packages\pip\_vendor\distlib\scripts.py", line 370, in _get_launcher
result = finder(distlib_package).find(name).bytes
AttributeError: 'NoneType' object has no attribute 'bytes'
WARNING: You are using pip version 19.2.3, however version 19.3.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
一
如果出现如上错误，说明pip缺少必要的依赖包，执行以下命令。
easy_install pip
执行效果如下，提示Finished说明安装成功。
Searching for pip
Best match: pip 19.3.1
Adding pip 19.3.1 to easy-install.pth file
Installing pip-script.py script to c:\python37\Scripts
Installing pip.exe script to c:\python37\Scripts
Installing pip3-script.py script to c:\python37\Scripts
Installing pip3.exe script to c:\python37\Scripts
Installing pip3.7-script.py script to c:\python37\Scripts
Installing pip3.7.exe script to c:\python37\Scripts
Using c:\python37\lib\site-packages
Processing dependencies for pip
Finished processing dependencies for pip
二
重新执行pip升级命令
pip install --upgrade pip
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Requirement already up-to-date: pip in c:\python37\lib\site-packages (19.3.1)
问题解决，半个上午过去了！！！
参考网址：https://xfx98.github.io/2019/10/27/pip-geng-xin-zhi-19.3.1-chu-xian-typeerror-module-object-is-not-callable/
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