pip install contextlib2 验证方法:安装完成后,在 Python 解释器中输入以下代码验证是否成功安装: python import contextlib2 print(contextlib2) 如果没有报错并且输出了 contextlib2 模块的信息,说明安装成功。 综上所述,根据你的 Python 版本选择相应的方法即可。对于 Python 3.x 用户,无需安装;对于 Python ...
这里官方指导使用 does_not_raise 例: from contextlib import contextmanager import pytest @contextmanager def...python3.7+: from contextlib import nullcontext as does_not_raise python3.3+: from contextlib import...ExitStack as does_not_raise 或者使用 pip install contextlib2 from contextlib2 impor...
ensurepip html http importlib json lib2to3 logging msilib multiprocessing os pydoc_data pyexpat sqlite3 sys tkinter unittest urllib venv wsgiref xml xmlrpc zipfile zoneinfo VERSIONS __future__.pyi __main__.pyi _ast.pyi _bisect.pyi _bootlocale.pyi _codecs.pyi _collections_abc.pyi _co...
- run: pip install contextlib2 if: ${{ startsWith(matrix.python-version, '2.') }} - name: Set up SSH run: .ci/setup_ssh.sh - run: pip install -e . 5 changes: 4 additions & 1 deletion 5 test.py Original file line numberDiff line numberDiff line change @@ -1,6 +1,9 ...
我认为部分原因是它的文档位于（已经晦涩的）contextlib 模块的深处，因为正式的 ExitStack 只是 Python ...
pip install keras==2.3.1 (mask_rcnn_tf2) bim@bim-PowerEdge-R730:~/project/object_detection/pythons/Mask_RCNN/samples/coco$ pip install keras==2.3.1 Collecting keras==2.3.1 Using cached Keras-2.3.1-py2.py3-none-any.whl (377 kB) ...
ensurepip html http importlib json lib2to3 logging msilib multiprocessing os pydoc_data pyexpat sqlite3 sys tkinter unittest urllib venv wsgiref xml xmlrpc zipfile zoneinfo VERSIONS __future__.pyi __main__.pyi _ast.pyi _bisect.pyi _bootlocale.pyi _codecs.pyi _collections_abc.pyi _com...
pip install tox tox Versions currently tested in both tox and GitHub Actions are: CPython 3.8 CPython 3.9 CPython 3.10 CPython 3.11 CPython 3.12 PyPy3 (specifically 3.10 in GitHub Actions) Updating to a new stdlib reference version As of Python 3.12.3, 4 files needed to be copied from ...
当需要安装该环境所需要的包时，在设置—项目—Project Interpreter中点右上角的加号，搜索包名称后点击...
And pip install contextlib2 fixes this issue but I get another seemingly unrelated exception. 👍 4 Author zhangjian0111 commented May 16, 2018 it is fixed by run pip install contextlib2. my version : Distributor ID: Ubuntu Description: Ubuntu 16.04.3 LTS Python 3.5.2 👍 1 mistercr...