The Ubuntu-20.04 brownout takes place from 2025-02-01. For more details, see https://github.com/actions/runner-images/issues/11101

/usr/share/miniconda/lib/python3.12/site-packages/conda/base/context.py:202: FutureWarning: Adding 'defaults' to channel list implicitly is deprecated and will be removed in 25.3. To remove this warning, please choose a default channel explicitly with conda's regular configuration system, e.g. by adding 'defaults' to the list of channels: conda config --add channels defaults For more information see https://docs.conda.io/projects/conda/en/stable/user-guide/configuration/use-condarc.html deprecated.topic(

Mamba support is still experimental and can result in differently solved environments!

warning libmamba You have not set the root prefix environment variable. To permanently modify the root prefix location, either: - set the 'MAMBA_ROOT_PREFIX' environment variable - use the '-r,--root-prefix' CLI option - use 'mamba shell init ...' to initialize your shell (then restart or source the contents of the shell init script) Continuing with default value: "/usr/share/miniconda"