(
        self,
        arrays: Sequence[ArrayType],
        out: Optional[ArrayType],
        backend: str,
        evaluate_constants: bool = False,
    )
return result
Special contraction, i.e., contraction with a different backend
        but converting to and from that backend. Retrieves or generates a
        cached expression using ``arrays`` as templates, then calls it
        with ``arrays``.

        If ``evaluate_constants=True``, perform a partial contraction that
        prepares the constant tensors and operations with the right backend.
Special contraction, i.e., contraction with a different backend
        but converting to and from that backend. Retrieves or generates a
        cached expression using ``arrays`` as templates, then calls it
        with ``arrays``.
Special contraction i . e . contraction with a different backend but converting to and from that backend . Retrieves or generates a cached expression using arrays as templates then calls it with arrays .
def _contract_with_conversion(
        self,
        arrays: Sequence[ArrayType],
        out: Optional[ArrayType],
        backend: str,
        evaluate_constants: bool = False,
    ) -> ArrayType:
        """Special contraction, i.e., contraction with a different backend
        but converting to and from that backend. Retrieves or generates a
        cached expression using ``arrays`` as templates, then calls it
        with ``arrays``.

        If ``evaluate_constants=True``, perform a partial contraction that
        prepares the constant tensors and operations with the right backend.
        """
        # convert consts to correct type & find reduced contraction list
        if evaluate_constants:
            return backends.evaluate_constants(backend, arrays, self)

        result = self._get_backend_expression(arrays, backend)(*arrays)

        if out is not None:
            out[()] = result
            return out

        return result
def _contract_with_conversion ( self , arrays : Sequence [ ArrayType ] , out : Optional [ ArrayType ] , backend : str , evaluate_constants : bool = False , ) -> ArrayType : # convert consts to correct type & find reduced contraction list if evaluate_constants : return backends . evaluate_constants ( backend , arrays , self ) result = self . _get_backend_expression ( arrays , backend ) ( * arrays ) if out is not None : out [ ( ) ] = result return out return result