I've tried "pip install opencv-python" from SageMath8.8 Shell. But I'm getting the below error
(sage-sh) ssally@SSALLY:Downloads$ pip install opencv_python
DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.
ERROR: Could not find a version that satisfies the requirement opencv_python (from versions: none)
ERROR: No matching distribution found for opencv_python
