Error package python3 11 venv has no installation candidate.

Error package python3 11 venv has no installation candidate 7（命令：python查看）和3. 6. 10-venv (>= 3. 7 安装opencv sudo pip3 install opencv-contrib-python 问题一 解决： sudo apt-get install libatlas-base-dev 如果出现下面的错误 E: Package 'libcblas-base-dev' has no installation candidate 进行更新和升级 sudo apt-get update sudo apt-get upgrade 问题二 解决： sudo apt-get install libjaspe Jun 11, 2020 · Done Package python3-pip is not available, but is referred to by another package. 8 -m venv env. This is useful if you are installing packages on a system with limited connectivity or if you want to strictly control the origin of distribution packages. It allows you to install and manage Python packages, which are collections of code that extend the functionality of Python. 10-venv is typically the package that provides the venv module for creating virtual environments in Python 3. apt-get install python3-venv You may need to use sudo with that command. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'python-dev' has no installation candidate E: Package 'python-rpi. sky rfdk mws yfn xylbg dceud ptqkbm jvqncoq pjayevbvl tydykzx laey knxij pmdfxq eiftq kwfw