Address cyclic import issues. Reorder imports alphabetically when rel…

…evant.

qiskit/compiler/scheduler.py

@@ -23,7 +23,7 @@
 from qiskit.exceptions import QiskitError
 from qiskit.pulse import InstructionScheduleMap, Schedule
 from qiskit.providers.backend import Backend
-from qiskit.scheduler import ScheduleConfig
+from qiskit.scheduler.config import ScheduleConfig
 from qiskit.scheduler.schedule_circuit import schedule_circuit
 from qiskit.utils.parallel import parallel_map
 

qiskit/transpiler/__init__.py

@@ -1277,7 +1277,7 @@
 from .coupling import CouplingMap
 from .layout import Layout, TranspileLayout
 from .instruction_durations import InstructionDurations
+from .preset_passmanagers import generate_preset_pass_manager
 from .target import Target
 from .target import InstructionProperties
 from .target import QubitProperties
-from .preset_passmanagers import generate_preset_pass_manager

qiskit/transpiler/instruction_durations.py

@@ -14,9 +14,7 @@
 from __future__ import annotations
 from typing import Optional, List, Tuple, Union, Iterable
 
-import qiskit.circuit
-from qiskit.circuit import Barrier, Delay
-from qiskit.circuit import Instruction, ParameterExpression
+from qiskit.circuit import Barrier, Delay, Instruction, ParameterExpression
 from qiskit.circuit.duration import duration_in_dt
 from qiskit.providers import Backend
 from qiskit.transpiler.exceptions import TranspilerError
@@ -164,7 +162,7 @@ def update(self, inst_durations: "InstructionDurationsType" | None, dt: float =
 
     def get(
         self,
-        inst: str | qiskit.circuit.Instruction,
+        inst: str | Instruction,
         qubits: int | list[int],
         unit: str = "dt",
         parameters: list[float] | None = None,

qiskit/transpiler/passes/basis/translate_parameterized.py

@@ -15,15 +15,13 @@
 from __future__ import annotations
 
 from qiskit.circuit import Instruction, ParameterExpression, Qubit, Clbit
+from qiskit.circuit.equivalence_library import EquivalenceLibrary
 from qiskit.converters import circuit_to_dag
 from qiskit.dagcircuit import DAGCircuit, DAGOpNode
-from qiskit.circuit.equivalence_library import EquivalenceLibrary
 from qiskit.exceptions import QiskitError
-from qiskit.transpiler import Target
-
 from qiskit.transpiler.basepasses import TransformationPass
-
-from .basis_translator import BasisTranslator
+from qiskit.transpiler.passes.basis.basis_translator import BasisTranslator
+from qiskit.transpiler.target import Target
 
 
 class TranslateParameterizedGates(TransformationPass):

qiskit/transpiler/passes/calibration/rx_builder.py

@@ -17,13 +17,13 @@
 import numpy as np
 
 from qiskit.circuit import Instruction
+from qiskit.circuit.library.standard_gates import RXGate
+from qiskit.exceptions import QiskitError
 from qiskit.pulse import Schedule, ScheduleBlock, builder, ScalableSymbolicPulse
 from qiskit.pulse.channels import Channel
 from qiskit.pulse.library.symbolic_pulses import Drag
 from qiskit.transpiler.passes.calibration.base_builder import CalibrationBuilder
-from qiskit.transpiler import Target
-from qiskit.circuit.library.standard_gates import RXGate
-from qiskit.exceptions import QiskitError
+from qiskit.transpiler.target import Target
 
 
 class RXCalibrationBuilder(CalibrationBuilder):

qiskit/transpiler/passes/layout/sabre_pre_layout.py

@@ -14,8 +14,11 @@
 
 import itertools
 
-from qiskit.transpiler import CouplingMap, Target, AnalysisPass, TranspilerError
+from qiskit.transpiler.basepasses import AnalysisPass
+from qiskit.transpiler.coupling import CouplingMap
+from qiskit.transpiler.exceptions import TranspilerError
 from qiskit.transpiler.passes.layout.vf2_layout import VF2Layout
+from qiskit.transpiler.target import Target
 from qiskit._accelerate.error_map import ErrorMap
 
 

qiskit/transpiler/passes/layout/set_layout.py

@@ -11,9 +11,9 @@
 # that they have been altered from the originals.
 
 """Set the ``layout`` property to the given layout."""
-from qiskit.transpiler import Layout
-from qiskit.transpiler.exceptions import InvalidLayoutError
 from qiskit.transpiler.basepasses import AnalysisPass
+from qiskit.transpiler.exceptions import InvalidLayoutError
+from qiskit.transpiler.layout import Layout
 
 
 class SetLayout(AnalysisPass):

qiskit/transpiler/passes/routing/commuting_2q_gate_routing/commuting_2q_gate_router.py

@@ -17,8 +17,9 @@
 from qiskit.circuit import Gate, QuantumCircuit, Qubit
 from qiskit.converters import circuit_to_dag
 from qiskit.dagcircuit import DAGCircuit, DAGOpNode
-from qiskit.transpiler import TransformationPass, Layout, TranspilerError
-
+from qiskit.transpiler.basepasses import TransformationPass
+from qiskit.transpiler.exceptions import TranspilerError
+from qiskit.transpiler.layout import Layout
 from qiskit.transpiler.passes.routing.commuting_2q_gate_routing.swap_strategy import SwapStrategy
 from qiskit.transpiler.passes.routing.commuting_2q_gate_routing.commuting_2q_block import (
     Commuting2qBlock,

qiskit/transpiler/passes/routing/commuting_2q_gate_routing/swap_strategy.py

@@ -17,7 +17,7 @@
 import numpy as np
 
 from qiskit.exceptions import QiskitError
-from qiskit.transpiler import CouplingMap
+from qiskit.transpiler.coupling import CouplingMap
 
 
 class SwapStrategy:

qiskit/transpiler/passes/routing/layout_transformation.py

@@ -15,9 +15,10 @@
 
 import numpy as np
 
-from qiskit.transpiler import Layout, CouplingMap
 from qiskit.transpiler.basepasses import TransformationPass
+from qiskit.transpiler.coupling import CouplingMap
 from qiskit.transpiler.exceptions import TranspilerError
+from qiskit.transpiler.layout import Layout
 from qiskit.transpiler.passes.routing.algorithms import ApproximateTokenSwapper
 from qiskit.transpiler.target import Target
 

qiskit/transpiler/passes/routing/star_prerouting.py

@@ -15,10 +15,10 @@
 from math import floor, log10
 
 from qiskit.circuit import Barrier
+from qiskit.circuit.library import SwapGate
 from qiskit.dagcircuit import DAGOpNode, DAGDepNode, DAGDependency, DAGCircuit
-from qiskit.transpiler import Layout
 from qiskit.transpiler.basepasses import TransformationPass
-from qiskit.circuit.library import SwapGate
+from qiskit.transpiler.layout import Layout
 
 
 class StarBlock:

qiskit/transpiler/passes/scheduling/alap.py

@@ -15,10 +15,9 @@
 from qiskit.circuit import Delay, Qubit, Measure
 from qiskit.dagcircuit import DAGCircuit
 from qiskit.transpiler.exceptions import TranspilerError
+from qiskit.transpiler.passes.scheduling.base_scheduler import BaseSchedulerTransform
 from qiskit.utils.deprecation import deprecate_func
 
-from .base_scheduler import BaseSchedulerTransform
-
 
 class ALAPSchedule(BaseSchedulerTransform):
     """ALAP Scheduling pass, which schedules the **stop** time of instructions as late as possible.

qiskit/transpiler/passes/scheduling/alignments/check_durations.py

@@ -14,7 +14,7 @@
 from qiskit.circuit.delay import Delay
 from qiskit.dagcircuit import DAGCircuit
 from qiskit.transpiler.basepasses import AnalysisPass
-from qiskit.transpiler import Target
+from qiskit.transpiler.target import Target
 
 
 class InstructionDurationCheck(AnalysisPass):

qiskit/transpiler/passes/scheduling/alignments/pulse_gate_validation.py

@@ -16,7 +16,7 @@
 from qiskit.pulse import Play
 from qiskit.transpiler.basepasses import AnalysisPass
 from qiskit.transpiler.exceptions import TranspilerError
-from qiskit.transpiler import Target
+from qiskit.transpiler.target import Target
 
 
 class ValidatePulseGates(AnalysisPass):

qiskit/transpiler/passes/scheduling/alignments/reschedule.py

@@ -21,7 +21,7 @@
 from qiskit.dagcircuit import DAGCircuit, DAGOpNode, DAGOutNode
 from qiskit.transpiler.basepasses import AnalysisPass
 from qiskit.transpiler.exceptions import TranspilerError
-from qiskit.transpiler import Target
+from qiskit.transpiler.target import Target
 
 
 class ConstrainedReschedule(AnalysisPass):

qiskit/transpiler/passes/scheduling/asap.py

@@ -15,10 +15,9 @@
 from qiskit.circuit import Delay, Qubit, Measure
 from qiskit.dagcircuit import DAGCircuit
 from qiskit.transpiler.exceptions import TranspilerError
+from qiskit.transpiler.passes.scheduling.base_scheduler import BaseSchedulerTransform
 from qiskit.utils.deprecation import deprecate_func
 
-from .base_scheduler import BaseSchedulerTransform
-
 
 class ASAPSchedule(BaseSchedulerTransform):
     """ASAP Scheduling pass, which schedules the start time of instructions as early as possible..

qiskit/transpiler/passes/scheduling/base_scheduler.py

@@ -13,13 +13,13 @@
 """Base circuit scheduling pass."""
 import warnings
 
-from qiskit.transpiler import InstructionDurations
-from qiskit.transpiler.basepasses import TransformationPass
-from qiskit.transpiler.passes.scheduling.time_unit_conversion import TimeUnitConversion
-from qiskit.dagcircuit import DAGOpNode, DAGCircuit, DAGOutNode
 from qiskit.circuit import Delay, Gate, Measure, Reset
 from qiskit.circuit.parameterexpression import ParameterExpression
+from qiskit.dagcircuit import DAGOpNode, DAGCircuit, DAGOutNode
+from qiskit.transpiler.basepasses import TransformationPass
 from qiskit.transpiler.exceptions import TranspilerError
+from qiskit.transpiler.instruction_durations import InstructionDurations
+from qiskit.transpiler.passes.scheduling.time_unit_conversion import TimeUnitConversion
 from qiskit.transpiler.target import Target
 
 

qiskit/transpiler/passes/scheduling/dynamical_decoupling.py

@@ -20,10 +20,10 @@
 from qiskit.dagcircuit import DAGOpNode, DAGInNode
 from qiskit.quantum_info.operators.predicates import matrix_equal
 from qiskit.synthesis.one_qubit import OneQubitEulerDecomposer
-from qiskit.transpiler import InstructionDurations
-from qiskit.transpiler.passes.optimization import Optimize1qGates
 from qiskit.transpiler.basepasses import TransformationPass
 from qiskit.transpiler.exceptions import TranspilerError
+from qiskit.transpiler.instruction_durations import InstructionDurations
+from qiskit.transpiler.passes.optimization import Optimize1qGates
 from qiskit.utils.deprecation import deprecate_func
 
 

qiskit/transpiler/passes/scheduling/padding/dynamical_decoupling.py

@@ -26,9 +26,9 @@
 from qiskit.transpiler.exceptions import TranspilerError
 from qiskit.transpiler.instruction_durations import InstructionDurations
 from qiskit.transpiler.passes.optimization import Optimize1qGates
+from qiskit.transpiler.passes.scheduling.padding.base_padding import BasePadding
 from qiskit.transpiler.target import Target
 
-from .base_padding import BasePadding
 
 logger = logging.getLogger(__name__)
 

qiskit/transpiler/passes/scheduling/scheduling/base_scheduler.py

@@ -14,13 +14,13 @@
 
 import warnings
 
-from qiskit.transpiler import InstructionDurations
-from qiskit.transpiler.basepasses import AnalysisPass
-from qiskit.transpiler.passes.scheduling.time_unit_conversion import TimeUnitConversion
-from qiskit.dagcircuit import DAGOpNode, DAGCircuit
 from qiskit.circuit import Delay, Gate
 from qiskit.circuit.parameterexpression import ParameterExpression
+from qiskit.dagcircuit import DAGOpNode, DAGCircuit
+from qiskit.transpiler.basepasses import AnalysisPass
 from qiskit.transpiler.exceptions import TranspilerError
+from qiskit.transpiler.instruction_durations import InstructionDurations
+from qiskit.transpiler.passes.scheduling.time_unit_conversion import TimeUnitConversion
 from qiskit.transpiler.target import Target
 
 

qiskit/transpiler/passes/synthesis/unitary_synthesis.py

@@ -28,21 +28,9 @@
 from functools import partial
 import numpy as np
 
-from qiskit.converters import circuit_to_dag, dag_to_circuit
-from qiskit.transpiler import CouplingMap, Target
-from qiskit.transpiler.basepasses import TransformationPass
-from qiskit.transpiler.exceptions import TranspilerError
-from qiskit.dagcircuit.dagcircuit import DAGCircuit, DAGOpNode
-from qiskit.synthesis.one_qubit import one_qubit_decompose
-from qiskit.transpiler.passes.optimization.optimize_1q_decomposition import _possible_decomposers
-from qiskit.synthesis.two_qubit.xx_decompose import XXDecomposer, XXEmbodiments
-from qiskit.synthesis.two_qubit.two_qubit_decompose import (
-    TwoQubitBasisDecomposer,
-    TwoQubitWeylDecomposition,
-)
-from qiskit.quantum_info import Operator
 from qiskit.circuit.controlflow import CONTROL_FLOW_OP_NAMES
 from qiskit.circuit import Gate, Parameter
+from qiskit.circuit.library.standard_gates import get_standard_gate_name_mapping
 from qiskit.circuit.library.standard_gates import (
     iSwapGate,
     CXGate,
@@ -62,13 +50,26 @@
     RYGate,
     RGate,
 )
-from qiskit.transpiler.passes.synthesis import plugin
+from qiskit.converters import circuit_to_dag, dag_to_circuit
+from qiskit.dagcircuit.dagcircuit import DAGCircuit, DAGOpNode
+from qiskit.exceptions import QiskitError
+from qiskit.providers.models import BackendProperties
+from qiskit.quantum_info import Operator
+from qiskit.synthesis.one_qubit import one_qubit_decompose
+from qiskit.synthesis.two_qubit.xx_decompose import XXDecomposer, XXEmbodiments
+from qiskit.synthesis.two_qubit.two_qubit_decompose import (
+    TwoQubitBasisDecomposer,
+    TwoQubitWeylDecomposition,
+)
+from qiskit.transpiler.basepasses import TransformationPass
+from qiskit.transpiler.coupling import CouplingMap
+from qiskit.transpiler.exceptions import TranspilerError
 from qiskit.transpiler.passes.optimization.optimize_1q_decomposition import (
     Optimize1qGatesDecomposition,
+    _possible_decomposers,
 )
-from qiskit.providers.models import BackendProperties
-from qiskit.circuit.library.standard_gates import get_standard_gate_name_mapping
-from qiskit.exceptions import QiskitError
+from qiskit.transpiler.passes.synthesis import plugin
+from qiskit.transpiler.target import Target
 
 
 GATE_NAME_MAP = {

qiskit/transpiler/passes/utils/convert_conditions_to_if_ops.py

@@ -22,7 +22,7 @@
     QuantumCircuit,
 )
 from qiskit.dagcircuit import DAGCircuit
-from qiskit.transpiler import TransformationPass
+from qiskit.transpiler.basepasses import TransformationPass
 
 
 class ConvertConditionsToIfOps(TransformationPass):

qiskit/transpiler/preset_passmanagers/generate_preset_pass_manager.py

@@ -19,15 +19,12 @@
 from qiskit.circuit.controlflow import CONTROL_FLOW_OP_NAMES
 from qiskit.circuit.library.standard_gates import get_standard_gate_name_mapping
 from qiskit.providers.backend_compat import BackendV2Converter
-
+from qiskit.transpiler.coupling import CouplingMap
+from qiskit.transpiler.exceptions import TranspilerError
 from qiskit.transpiler.instruction_durations import InstructionDurations
-from qiskit.transpiler.timing_constraints import TimingConstraints
-
 from qiskit.transpiler.passmanager_config import PassManagerConfig
 from qiskit.transpiler.target import Target, target_to_backend_properties
-from qiskit.transpiler import CouplingMap
-
-from qiskit.transpiler.exceptions import TranspilerError
+from qiskit.transpiler.timing_constraints import TimingConstraints
 
 from .level0 import level_0_pass_manager
 from .level1 import level_1_pass_manager

tools/pgo_scripts/test_utility_scale.py

@@ -15,11 +15,10 @@
 """Script to generate 'utility scale' load for profiling in a PGO context"""
 
 import os
-
+from qiskit import qasm2
+from qiskit.providers.fake_provider import GenericBackendV2
 from qiskit.transpiler import CouplingMap
 from qiskit.transpiler.preset_passmanagers import generate_preset_pass_manager
-from qiskit.providers.fake_provider import GenericBackendV2
-from qiskit import qasm2
 
 QASM_DIR = os.path.join(
     os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))),