conda sphinx_rtd_theme gets superseded from pkgs/main

[alexsavulescu]

Details

• Read the Docs project URL: https://readthedocs.org/projects/nrn/
• Build URL (if applicable): https://readthedocs.org/projects/nrn/builds/13377572/
• Read the Docs username (if applicable): alexsavulescu

Expected Result

conda uses sphinx_rtd_theme from conda-forge (0.5.1)

Actual Result

conda uses sphinx_rtd_theme from pkgs/main (0.4.3)

Issue

• conda env create --quiet --name latest --file docs/conda_environment.yml installs latest conda-forge sphinx_rtd_theme
• conda install --yes --quiet --name latest mock pillow sphinx sphinx_rtd_theme subsequently installs sphinx_rtd_theme from pkgs/main

Solution?

• Is there a way not to call the conda install ? Everything needed is already installed with conda create
• Maybe using conda config --set channel_priority false can help? Ideally run before conda install since it is currently unsupported in the environment.yml (see https://conda.io/projects/conda/en/latest/user-guide/tasks/manage-channels.html)

[stsewd]

I think you are hitting #3829, also we recommend pinning your deps https://github.com/neuronsimulator/nrn/blob/master/docs/docs_requirements.txt https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html#pinning-dependencies. I have applied the solution from #3829, it's using the latest version of the theme now https://readthedocs.org/projects/nrn/builds/13384187/

[alexsavulescu]

Thanks @stsewd