def tospark(self, sc, axis=0):
        """
        Converts a BoltArrayLocal into a BoltArraySpark

        Parameters
        ----------
        sc : SparkContext
            The SparkContext which will be used to create the BoltArraySpark

        axis : tuple or int, optional, default=0
            The axis (or axes) across which this array will be parallelized

        Returns
        -------
        BoltArraySpark
        """
        from bolt import array
        return array(self.toarray(), sc, axis=axis)
Converts a BoltArrayLocal into a BoltArraySpark

        Parameters
        ----------
        sc : SparkContext
            The SparkContext which will be used to create the BoltArraySpark

        axis : tuple or int, optional, default=0
            The axis (or axes) across which this array will be parallelized

        Returns
        -------
        BoltArraySpark