def _aux_type(self, i):
        """Data-type of the array's ith aux data.

        Returns
        -------
        numpy.dtype
            This BaseSparseNDArray's aux data type.
        """
        aux_type = ctypes.c_int()
        check_call(_LIB.MXNDArrayGetAuxType(self.handle, i, ctypes.byref(aux_type)))
        return _DTYPE_MX_TO_NP[aux_type.value]
def _aux_type ( self , i ) : aux_type = ctypes . c_int ( ) check_call ( _LIB . MXNDArrayGetAuxType ( self . handle , i , ctypes . byref ( aux_type ) ) ) return _DTYPE_MX_TO_NP [ aux_type . value ]
Data-type of the array's ith aux data.

        Returns
        -------
        numpy.dtype
            This BaseSparseNDArray's aux data type.