Ryan Williams

rebased this, and looks like #580 was merged, so maybe this is ready for another look.

"Python tests on ubuntu-latest" failed, [GHA log says](https://github.com/Netflix/metaflow/runs/4728362737?check_suite_focus=true#step:11:72570): ``` This step has been truncated due to its large size. Download the full logs from the menu once the workflow run...

I think this is ready for review

Not immediately obvious to me what happened in "[R tests on macos-latest](https://github.com/Netflix/metaflow/pull/666/checks?check_run_id=3413479722#step:8:189)": ``` Loading required package: data.table Loading required package: Matrix Loading required package: glmnet Loaded glmnet 4.1-2 Loading required...

"R tests on macos-latest" still failing, seems like a real issue, I'll try to reproduce locally

Alright, figured out the R tests issue, [this was the fix](https://github.com/Netflix/metaflow/pull/666/files#diff-6e3ffd9d38512761eda21b853b826f3ae64ceadee99b1dee3f4d01f8e890c604R115), tests all passing now! 🎉

This is ready to review, I think!

bumping this, seems like #867 already did the main work of taking python 2 out of the CI, but there's some additional Python 2 CI configs laying around that this...

I can't figure out what failed in "R tests on macos-latest"; [it just says `Workflow failed.` at one point](https://github.com/Netflix/metaflow/runs/4734842151?check_suite_focus=true#step:8:1367). R tests run for me locally on macos: ```bash cd R/tests...

Some updates here: - I rebased the whole stack here on top of `master` (53ab9d4, or `2.4.7`+6) a few days ago - I updated all the PRs that feed [`d0`](https://github.com/celsiustx/metaflow/tree/d0):...