Rtd gas

[pieterhexen]

Fixes # .

Before merging into dev-branch, please make sure that

• [ ] the CHANGELOG.rst was updated.
• [ ] new and adjusted code is formated using black and isort.
• [ ] the Dataset-version is updated when existing datasets are adjusted.
• [ ] the branch was merged into the continuous-integration/run-everything-over-the-weekend-branch.
• [ ] the workflow is running successful in test mode.
• [ ] the workflow is running successful in Everything mode.