The is no need to run the test matrix for PRs like #25
I would even go as far as there is no need to execute the notebooks for such PRs in circleCI, however it sounds a bit hacky and ugly how such a workaround can be added there (as I see there isn't an easy way to get access to the github labels to write such a conditional there just outstanding feature requests such as https://ideas.circleci.com/cloud-feature-requests/p/provide-github-labels-for-filtering, and even then we need to sed nb_execution_mode to be off in the tox config before it is being picked up by the runner...)
The is no need to run the test matrix for PRs like #25
I would even go as far as there is no need to execute the notebooks for such PRs in circleCI, however it sounds a bit hacky and ugly how such a workaround can be added there (as I see there isn't an easy way to get access to the github labels to write such a conditional there just outstanding feature requests such as https://ideas.circleci.com/cloud-feature-requests/p/provide-github-labels-for-filtering, and even then we need to sed nb_execution_mode to be off in the tox config before it is being picked up by the runner...)