安装命令如下: bash pip install contextlib2 安装完成后,你可以通过 import contextlib2 来使用它。综上所述,对于Python 3.x用户来说,contextlib 是一个内置模块,无需额外安装。如果你使用的是Python 2.x版本,并且需要 contextlib 的额外功能,可以考虑安装 contextlib2。
0(Unabletolocateactualmoduleversion,usingvendor.txtspecifiedversion)html5lib==1.1ipaddress==1.0.23msgpack==1.0.0(Unabletolocateactualmoduleversion,usingvendor.txtspecifiedversion)packaging==20.4pep517==0.8.2progress==1.5pyparsing==2.4.7requests==2.24.0certifi==2020.06.20chardet==3.0.4idna==2.10urllib3...
File "/usr/local/lib/python3.6/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built candidate = func() File "/usr/local/lib/python3.6/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link version=ve...
File"c:\users\32149\appdata\local\programs\python\python37\lib\site-packages\pip\_vendor\urllib3\response.py", line529,inread raise IncompleteRead(self._fp_bytes_read, self.length_remaining) File"c:\users\32149\appdata\local\programs\python\python37\lib\contextlib.py", line130,in__exit__...
(): File "C:\Users\mumuemhaha\.conda\envs\mumuemhaha\lib\contextlib.py", line 153, in __exit__ self.gen.throw(typ, value, traceback) File "C:\Users\mumuemhaha\.conda\envs\mumuemhaha\lib\site-packages\pip\_vendor\urllib3\response.py", line 443, in _error_catcher raise Read...
data=self.read(amt=amt,decode_content=decode_content)File"/root/my_rasa/venv/lib64/python3.9/site-packages/pip/_vendor/urllib3/response.py", line541,inreadraise IncompleteRead(self._fp_bytes_read, self.length_remaining)File"/usr/lib64/python3.9/contextlib.py", line137,in__exit__ ...
在CentOS 7上使用pip3安装Ansible,可以按照以下步骤进行: 一、安装依赖包 首先,确保系统已经安装了epel - release仓库,因为较新版本的pip和一些依赖可能需要从这个仓库获取。执行以下命令安装: 对于32位系统:sudo yum install epel - release -y 对于64位系统:sudo yum install https://dl.fedoraproject.org/pub/...
首先下载CAS v4.1.0 : https://github.com/apereo/cas/releases/tag/v4.1.0 解压后找到:cas-server-webapp 项目 cas-server-webapp项目pom文件添加: cas-server-webapp/src/main/webapp/WEB-INF/deployerConfigContext.xml做如下修改: 1.找到...
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\site-packages\pip-21.2.4-py3.9.egg\pip_vendor\urllib3\util\ssl.py", line 495, in _ssl_wrap_socket_impl return ssl_context.wrap_socket(sock) File “C:\Users\Administrator\AppData\Local\Programs\Python\Python39\lib\ssl...
1:安装命令 pip install docker-compose 异常信息 socket.timeout: The read operation timed out During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/local/lib/python3.6/site-packages/pip/_internal/cli/base_command.py", line 188, in ...