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[英]ModuleNotFoundError: No module named 'requests_html' even after 'pip3 install requests-html' and 'requests_html'
[英]Python: "No module named 'requests' " after pip3 install requests in pipenv
我正在尝试使用 Python 3 在 pipenv 中安装库请求。我尝试过:
pip install requests
,在忘记pip
只为 Python 2 安装之前,导致,pip3 install requests
,它pip3 install requests
会返回Requirement already satisfied: requests in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (2.19.1)
Requirement already satisfied: idna<2.8,>=2.5 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from requests) (2.7)
Requirement already satisfied: urllib3<1.24,>=1.21.1 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from requests) (1.23)
Requirement already satisfied: certifi>=2017.4.17 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from requests) (2018.8.24)
Requirement already satisfied: chardet<3.1.0,>=3.0.2 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from requests) (3.0.4)
当我使用import requests
运行我的 python 文件时,一切正常,但是当我运行pipenv run python mypythonscript.py
,我收到错误ModuleNotFoundError: No module named 'requests'
。 请告知我缺少什么。
这里的问题是pip3 install requests
在 pipenv 的 virtualenv 之外运行,它安装在 virtualenv 之外,因此从 virtualenv 中运行的代码中找不到requests
库。
将库安装到 virtualenv 的正确方法是pipenv install requests
,它还会向您的 Pipfile 添加requests
。 如果您想暂时安装它而不保存到 Pipfile 中,您可以运行pipenv run pip install requests
。
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