(self, op_classes, **options)
Returns the operators which this state instance is an eigenstate
        of.

        This method should be overridden in subclasses. It will be called on
        state instances and be passed the operator classes that we wish to make
        into instances. The state instance will then transform the classes
        appropriately, or raise a NotImplementedError if it cannot return
        operator instances. See cartesian.py for examples,
Returns the operators which this state instance is an eigenstate
        of.
Returns the operators which this state instance is an eigenstate of .
def _state_to_operators(self, op_classes, **options):
        """ Returns the operators which this state instance is an eigenstate
        of.

        This method should be overridden in subclasses. It will be called on
        state instances and be passed the operator classes that we wish to make
        into instances. The state instance will then transform the classes
        appropriately, or raise a NotImplementedError if it cannot return
        operator instances. See cartesian.py for examples,
        """

        raise NotImplementedError(
            "Cannot map this state to operators. Method not implemented!")
def _state_to_operators ( self , op_classes , * * options ) : raise NotImplementedError ( "Cannot map this state to operators. Method not implemented!" )