Update ibm_utils.py

pytket/extensions/qiskit/backends/ibm_utils.py

@@ -16,23 +16,23 @@
 
 import itertools
 from collections.abc import Collection, Sequence
-from typing import Optional, list, tuple, Callable
+from typing import Callable, Optional
 
 import numpy as np
 
-from qiskit.providers import JobStatus  # type: ignore
-from qiskit.transpiler import PassManager, CouplingMap  # type: ignore
-from qiskit.transpiler.preset_passmanagers.builtin_plugins import SabreLayoutPassManager  # type: ignore
-from qiskit.transpiler.passmanager_config import PassManagerConfig  # type: ignore
-
-from pytket.circuit import Circuit, Node
 from pytket.architecture import Architecture
 from pytket.backends.status import StatusEnum
-from pytket.transform import Transform
+from pytket.circuit import Circuit, Node
 from pytket.passes import RebaseTket
+from pytket.transform import Transform
+from qiskit.providers import JobStatus  # type: ignore
+from qiskit.transpiler import CouplingMap, PassManager  # type: ignore
+from qiskit.transpiler.passmanager_config import PassManagerConfig  # type: ignore
+from qiskit.transpiler.preset_passmanagers.builtin_plugins import (
+    SabreLayoutPassManager,  # type: ignore
+)
 
-from ..qiskit_convert import tk_to_qiskit, qiskit_to_tk
-
+from ..qiskit_convert import qiskit_to_tk, tk_to_qiskit
 
 _STATUS_MAP = {
     JobStatus.CANCELLED: StatusEnum.CANCELLED,