[E721] do not compare types, for exact checks use `is` / `is not`, for instance checks use `isinstance()`

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The following actions uses node12 which is deprecated and will be forced to run on node16: actions/[email protected], julianwachholz/[email protected]. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/