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The documentation may not be clear enough, but where did you read that a pipeline could specify a list of list of jobs?
A pipeline could either consist of one job or of a list of jobs, and you could have multiple pipelines
From the specification ( https:/
```
pipeline:
- [test, lint] # this stage is a list, which means jobs are executed in parallel
- build-wheel # this stage will only execute if previous steps in the pipeline passed
```
As already mentioned in the ~lpcrafters channel, parallel job / pipeline execution is currently not yet implemented. [needs to be documented]
AFAIK we only ever intended to implement the parallel execution on the Launchpad level, not in lpcraft. [needs to be clarified and documented]
Not executing jobs in parallel is one thing, a stalled CI pipeline is another.
Having a look at the commit history, it seems that the isses started with the introduction of list of lists for a single pipeline.
https:/
So the first thing to check would be the yaml parser / write a failing test for that case for Launchpad - as we had to use a different parser for Launchpad, as Launchpad is on an older version.
The most interesting bit is ... why is CI stalled even after reverting the changes?