so be it ! :)

Okay this should be working. For anyone curious:

• 97bbc37 enables black just in our CI checks and changes some files so that when black is run on them the noqas work as expected
• e81ec52 is the huge commit to run black . (don't look at this commit unless you want your browser to cry)
• 39abba0 11911c0 adds the .git-blame-ignore-revs file, adds mention of it to contributing.rst, and fixes get_testing_version.sh to respect the new double-quoting, EDIT: and adds the ignore file to MANIFEST.in ignores and fixes test_docstring_parameters.py, and fixed the docs animation embed limit

All devs should do git config --local blame.ignoreRevsFile .git-blame-ignore-revs locally after this if they want to use git blame effectively.

Once this is green, I will temporarily reenable merge-commiting for this repo, merge this PR that way (so that the git-blame-ignore-revs commit number is correct) then disable merge-committing again. Alternatively I could push these directly to main. Any preference @drammock ? Okay to proceed?

I was expecting/assuming a rebase merge would be needed for this so that's fine with me