T019: No openmmforcefields under Windows

[dominiquesydow]

T019 does not run under Windows.

Our CI fails with: ModuleNotFoundError: No module named 'openff'

Why?

teachopencadd/devtools/test_env.yml

Lines 30 to 32 in d1e92f4

	- openmm
	# depends on openff-toolkit->ambertools -> not available on Windows yet!
	# - openmmforcefields

See also here: #74 (comment)

openmmforcefields may cause the problem, check progress of this issue: openmm/openmmforcefields#163

Do we notify users?

Yes, talktorial contains disclaimer, linking back to this issue:

Also, note that this talktorial will not run on Windows for the time being (check progress in this issue).

What do we do regarding our CI?

Remove the T019 from the Windows CI.

• https://docs.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions
• https://stackoverflow.com/questions/57946173/github-actions-run-step-on-specific-os

[Carlbullish]

Thanks @dominiquesydow for your efforts.. I do hope this issue gets resolved.