TYP: Add typing on mathtext internals #26541
Merged
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PR summary
This adds typing to all of
_mathtext.py
and cuts downmypy --strict
errors for it from >400 to 14 (all but one of which are pyparsing issues). As a proof of concept, this applies all type hints inline.There is also some refactoring to avoid re-using variables with mixed types, and adding more explicit types for some
SimpleNamespace
. These could be split into separate PRs if desired, but are separate commits at least.It is based on #26540.
PR checklist