程序员青戈

python版本：3.7安装turtle库的时候会报错：Collecting turtle Using cached https://files.pythonhosted.org/packages/ff/f0/21a42e9e424d24bdd0e509d5ed3c7dfb8f47d962d9c044dba903b0b4a26f/turtle-0.0.2.tar.gz Comple...

玩点python卡在pip安装包上了，我用的是pycharm，在它的交互命令行里使用python -m pip install --upgrade pip始终报错！Traceback (most recent call last): File "d:\soft\python3.7\lib\site-packages\pip\_vendor\urllib3\response.py", l...