id: no-dunder-exit-wrong-arity
valid:
  - |
    class Ctx:
        def __exit__(self, exc_type, exc_val, exc_tb):
            pass
  - |
    class AsyncCtx:
        async def __aexit__(self, exc_type, exc_val, exc_tb):
            pass
invalid:
  - |
    class Ctx:
        def __exit__(self):
            pass
  - |
    class Ctx:
        def __exit__(self, exc_type):
            pass
  - |
    class Ctx:
        def __exit__(self, exc_type, exc_val):
            pass
  - |
    class Ctx:
        def __exit__(self, exc_type, exc_val, exc_tb, extra):
            pass