datetime.tzinfo is abtract - #8908

sphinx (https://github.com/sphinx-doc/sphinx)
+ sphinx/builders/gettext.py:191:7: error: Cannot instantiate abstract class "LocalTimeZone" with abstract attribute "tzname"  [abstract]

class LocalTimeZone(tzinfo):
    def __init__(self, *args: Any, **kwargs: Any) -> None:
        super().__init__(*args, **kwargs)
        self.tzdelta = tzdelta

    def utcoffset(self, dt: Optional[datetime]) -> timedelta:
        return self.tzdelta

    def dst(self, dt: Optional[datetime]) -> timedelta:
        return timedelta(0)


ltz = LocalTimeZone()

error: not checking stubs due to mypy build errors:
stdlib/zoneinfo/__init__.pyi:12: error: Class zoneinfo.ZoneInfo has abstract attributes "dst", "tzname", "utcoffset"
stdlib/zoneinfo/__init__.pyi:12: note: If it is meant to be abstract, add 'abc.ABCMeta' as an explicit metaclass