Python 3.8 Instead of Python 3.9

The change in this file seems to be the cause of the downgraded version of Python.
https://github.com/aws/sagemaker-scikit-learn-container/blob/master/docker/1.2-1/base/Dockerfile.cpu

It seems this line is the cause of the downgrade.
echo "python ${PYTHON_VERSION}.*" >> /miniconda3/conda-meta/pinned && \

Could you help us with this issue?

Thanks.

Start with docker/1.2-1/base/Dockerfile.cpu, especially the command that writes python ${PYTHON_VERSION}.* to /miniconda3/conda-meta/pinned. Check how that pin affects the base image, then build or inspect the image to confirm it uses Python 3.9 rather than Python 3.8.

Written by the indexing model from the issue text.