def rows(self):
        for r,cv in self.shards:
            try:
                assert isinstance(r, int)
            except __HOLE__:
                raise AssertionError(r, cv)
        rows = sum([r for r,cv in self.shards])
        assert isinstance(rows, int)
        return rows
dataset/ETHPy150Open AnyMesh/anyMesh-Python/example/urwid/canvas.py/CompositeCanvas.rows