settings

qiskit_ibm_runtime/utils/json.py

@@ -276,12 +276,6 @@ def default(self, obj: Any) -> Any:  # pylint: disable=arguments-differ
                 "fields": dict(obj.items()),
             }
             return {"__type__": "DataBin", "__value__": out_val}
-        if isinstance(obj, LayerError):
-            out_val = {"circuit": obj.circuit, "qubits": obj.qubits, "error": obj.error}
-            return {"__type__": "LayerError", "__value__": out_val}
-        if isinstance(obj, PauliLindbladError):
-            out_val = {"generators": obj.generators, "rates": obj.rates}
-            return {"__type__": "PauliLindbladError", "__value__": out_val}
         if isinstance(obj, EstimatorPub):
             return (
                 obj.circuit,
@@ -357,14 +351,15 @@ def object_hook(self, obj: Any) -> Any:
                 # to deserialize load qpy circuit and return first instruction object in that circuit.
                 circuit = _decode_and_deserialize(obj_val, load)[0]
                 return circuit.data[0][0]
-            if obj_type == "settings" and obj["__module__"].startswith(
-                "qiskit.quantum_info.operators"
-            ):
-                return _deserialize_from_settings(
-                    mod_name=obj["__module__"],
-                    class_name=obj["__class__"],
-                    settings=_cast_strings_keys_to_int(obj_val),
-                )
+            if obj_type == "settings":
+                deserialize = obj["__module__"].startswith("qiskit.quantum_info.operators")
+                deserialize = deserialize or obj["__class__"] in [PauliLindbladError, LayerError]
+                if deserialize is True:
+                    return _deserialize_from_settings(
+                        mod_name=obj["__module__"],
+                        class_name=obj["__class__"],
+                        settings=_cast_strings_keys_to_int(obj_val),
+                    )
             if obj_type == "Result":
                 return Result.from_dict(obj_val)
             if obj_type == "spmatrix":

qiskit_ibm_runtime/utils/noise_learner_result.py

@@ -21,6 +21,8 @@
 from qiskit.circuit import QuantumCircuit
 from qiskit.quantum_info import PauliList
 
+from ..utils.deprecation import issue_deprecation_msg
+
 
 class PauliLindbladError:
     r"""A Pauli error channel generated by a Pauli Lindblad dissipators.
@@ -88,6 +90,11 @@ def num_qubits(self) -> int:
         The number of qubits in this :class:`~.PauliLindbladError`.
         """
         return self.generators.num_qubits
+
+    @property
+    def settings(self):
+        """Return settings."""
+        return {"generators": self.generators, "rates": self.rates}
 
     def __repr__(self) -> str:
         return f"PauliLindbladError(generators={self.generators}, rates={self.rates.tolist()})"
@@ -136,12 +143,43 @@ def error(self) -> PauliLindbladError:
         """
         return self._error
 
+    @property
+    def generators(self) -> PauliList:
+        r"""
+        (DEPRECATED) The Pauli Lindblad generators of the error channel in this :class:`.~LayerError`.
+        """
+        issue_deprecation_msg(
+            "The ``generators`` property is deprecated",
+            "0.27.0",
+            "Instead, you can access the generators through the ``error`` property.",
+            1,
+        )
+        return self.error.generators
+
+    @property
+    def rates(self) -> NDArray[np.float64]:
+        r"""
+        (DEPRECATED) The Lindblad generator rates of the error channel in this :class:`.~LayerError`.
+        """
+        issue_deprecation_msg(
+            "The ``rates`` property is deprecated",
+            "0.27.0",
+            "Instead, you can access the rates through the ``error`` property.",
+            1,
+        )
+        return self.error.rates
+
     @property
     def num_qubits(self) -> int:
         r"""
         The number of qubits in this :class:`~.LayerError`.
         """
         return len(self.qubits)
+
+    @property
+    def settings(self):
+        """Return settings."""
+        return {"circuit": self.circuit, "qubits": self.qubits, "error": self.error}
 
     def __repr__(self) -> str:
         ret = f"circuit={repr(self.circuit)}, qubits={self.qubits}, error={self.error})"