opencv-python: https://pypi.org/project/opencv-python/
opencv-contrib-python: https://pypi.org/project/opencv-contrib-python/
opencv-python-headless: https://pypi.org/project/opencv-python-headless/
opencv-contrib-python-headless: https://pypi.org/project/opencv-contrib-python-headless/
OpenCV version 3.4.11.
NOTE: Your pip version must be >= 19.3 to be able to install the pre-built manylinux2014 packages used in the last 3 releases. Please upgrade your pip with pip install --upgrade pip.
Please note that Python 3.5 end-of-life is less than a month away. Upgrade your Python to the latest version as soon as possible since this project will drop Python 3.5 support in August 2020.