def __getitem__(self, n: int) -> Sketch:
if (n + 1) > self.count:
raise StopIteration
return Sketch(self.sketches.item(n + 1))
def __getitem__(self, n: int) -> Sketch:
if (n + 1) > self.count:
raise StopIteration
return Sketch(self.sketches.item(n + 1))