chore(typing): More isinstance_or_issubclass overloads
#2731
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Related issues
_typing_compat.assert_neverΒ #2717isinstance_or_issubclassΒ #1997Checklist
If you have comments or can explain your changes, please do so below
While I was looking for unreachable code, I noticed some
isinstance_or_issubclasscases were marked incorrectly as unreachable.They are reachable, but when I wrote (#1997) we only had up to a 3-tuple.
The current max of 7 wasn't covered, so this PR fixes that
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