Unable to use cfengine as part of an example

[winash12]

I am wanting to check in a example on my PR and it uses cfengine to read in a GFS file from disk but I get an error on the linting and parsing where it says cfengine is not a recognized engine. Any options here ? The issue is if I use dummy data it does not demonstrate a live system in the atmosphere and the applicability of my PR to that system.

[DanielAdriaansen]

I think in order to use engine=cfgrib you have to have the cfgrib Python package installed in the Python installation you're using:
ecmwf/cfgrib#299

https://pypi.org/project/cfgrib/

https://pypi.org/project/eccodes/

[winash12]

@DanielAdriaansen oh it works fine on my machine I have got the full monty going - eccodes , python cfgrib. My question was when I deliver my code to MetPy as part of my PR a software called ruff or flake8 points the error that cfgrib is not a recognized engine. I am presuming it's something on the MetPy server whereever that is - that eccodes and cfgrib are not installed there as my code is being un on that machine.

[dopplershift]

Is this on your existing PR? It probably needs to be added to ci/doc_requirements.txt.