MethodViewType removed in Flask 2.2

[woutdenolf]

See: https://github.com/pallets/flask/commit/45174bf9a1e96e51ce589c7aa2c151249d1fdf11

In Flask < 2.2

class MethodView(View, metaclass=MethodViewType):

In Flask >= 2.2

class MethodView(View):
    def __init_subclass__(cls, **kwargs: t.Any) -> None:

[MarkShawn2020]

See: pallets/flask@45174bf

In Flask < 2.2

class MethodView(View, metaclass=MethodViewType):

In Flask >= 2.2

class MethodView(View):
    def __init_subclass__(cls, **kwargs: t.Any) -> None:

Thanks, you do save me a lot of time!

[ischaojie]

Same issue as.

[derlikh-smart]

related to https://github.com/pallets/flask/pull/4624