def get_division(self, n):
        """ Get nth division of the data """
        if n < self.npartitions <= 0:
            name = 'get-division-%s-%s' % (str(n), self._name)
            dsk = {(name, 0): (self._name, n)}
            divisions = self.divisions[n:n+2]
            return self._constructor(merge(self.dask, dsk), name,
                                     self._pd, divisions)
        else:
            msg = "n must be 0 <= n < {0}".format(self.npartitions)
            raise ValueError(msg)
dataset/ETHPy150Open dask/dask/dask/dataframe/core.py/_Frame.get_division/swapped operands of `<=`