Don't hug parens if it would mean putting two # type: ignore comments on the same line

[henriholopainen]

Description

Small refactor + fixes #4036

Checklist - did you ...

• Add an entry in CHANGES.md if necessary?
• Add / update tests if necessary?

[henriholopainen]

Hmm, this might have been too hasty. The problem isn't # fmt: ignore on the first line, but instead it is having multiple of those. Will fix proper.

[henriholopainen]

The type: ignore comments don't actually do anything here. The ast_parser is only interested in the amount of TypeIgnores, not which line they live on. So we want to block paren hugging if two type: ignore comments would end up on the same line, as this would be registered as only one TypeIgnore by the ast_parser.

[github-actions]

diff-shades reports zero changes comparing this PR (3c87261) to main (5773d5c).

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What is this? | Workflow run | diff-shades documentation

[JelleZijlstra]

There's a scary-looking merge conflict, I think because I just merged #4012. Could you take a look?

[henriholopainen]

There's a scary-looking merge conflict, I think because I just merged #4012. Could you take a look?

Seems to not be only the merge conflict, the new code also breaks tests from this branch. I'll have to take a closer look at some point.

[JelleZijlstra]

@henriholopainen have you had a chance to take another look?

[cobaltt7]

Closing as stale - Please feel free to resolve conflicts and reopen if this is something you're still interested in developing!