* SVG export: use a set to match edges instead of a list
Lookup in edge list becomes O(1), significantly improving SVG export speed
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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