"Apply Rule to Collection" -- py3 related?

[jennaj]

Tool: Apply Rule to Collection (Galaxy Version 1.0.0) Tutorial: Problem at step 7 here: https://galaxyproject.github.io/training-material/topics/galaxy-data-manipulation/tutorials/upload-rules/tutorial.html#apply-rules-to-existing-collections Reported at Galaxy Help: https://help.galaxyproject.org/t/problem-applying-regular-expression-wrong-number-of-groups-found-in-tutorial-collections-rule-based-uploader/2915 Reproducible: https://usegalaxy.org/u/jen/h/test-coll

Screenshots

Set it up:

Review:

Submit: ...job submission fails with a red pop-up

ping @mvdbeek @jmchilton @natefoo