infra: drop support for Python 3.9

.github/workflows/check-format.yml

@@ -20,7 +20,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - name: Install dependencies
       run: |
         pip install tox

.github/workflows/dependent-tests.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
         dependent:
           - amazon-braket-pennylane-plugin-python
 

.github/workflows/python-package.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

.readthedocs.yml

@@ -17,7 +17,7 @@ formats:
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.9"
+    python: "3.10"
 
 # Optionally set the version of Python and requirements required to build your docs
 python:

README.md

@@ -12,8 +12,8 @@ The Amazon Braket Python SDK is an open source library that provides a framework
 ## Prerequisites
 Before you begin working with the Amazon Braket SDK, make sure that you've installed or configured the following prerequisites.
 
-### Python 3.9 or greater
-Download and install Python 3.9 or greater from [Python.org](https://www.python.org/downloads/).
+### Python 3.10 or greater
+Download and install Python 3.10 or greater from [Python.org](https://www.python.org/downloads/).
 
 ### Git
 Install Git from https://git-scm.com/downloads. Installation instructions are provided on the download page.

pyproject.toml

@@ -1,5 +1,5 @@
 [tool.ruff]
-target-version = "py39"
+target-version = "py310"
 line-length = 100
 format.preview = true
 format.docstring-code-line-length = 100

setup.py

@@ -23,7 +23,7 @@
     name="amazon-braket-sdk",
     version=version,
     license="Apache License 2.0",
-    python_requires=">= 3.9",
+    python_requires=">= 3.10",
     packages=find_namespace_packages(where="src", exclude=("test",)),
     package_dir={"": "src"},
     install_requires=[
@@ -78,7 +78,6 @@
         "Natural Language :: English",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
     ],

src/braket/ahs/analog_hamiltonian_simulation.py

@@ -66,7 +66,9 @@ def from_ir(source: ir.Program) -> AnalogHamiltonianSimulation:
             AnalogHamiltonianSimulation: The Analog Hamiltonian Simulation.
         """
         atom_arrangement = AtomArrangement()
-        for site, fill in zip(source.setup.ahs_register.sites, source.setup.ahs_register.filling):
+        for site, fill in zip(
+            source.setup.ahs_register.sites, source.setup.ahs_register.filling, strict=False
+        ):
             atom_arrangement.add(
                 coordinate=site, site_type=SiteType.FILLED if fill == 1 else SiteType.VACANT
             )

src/braket/ahs/driving_field.py

@@ -173,7 +173,7 @@ def from_lists(
         phase = TimeSeries()
 
         for t, amplitude_value, detuning_value, phase_value in zip(
-            times, amplitudes, detunings, phases
+            times, amplitudes, detunings, phases, strict=False
         ):
             amplitude.put(t, amplitude_value)
             detuning.put(t, detuning_value)

src/braket/ahs/local_detuning.py

@@ -79,7 +79,7 @@ def from_lists(times: list[float], values: list[float], pattern: list[float]) ->
             raise ValueError("The length of the times and values lists must be equal.")
 
         magnitude = TimeSeries()
-        for t, v in zip(times, values):
+        for t, v in zip(times, values, strict=False):
             magnitude.put(t, v)
         return LocalDetuning(Field(magnitude, Pattern(pattern)))
 

src/braket/aws/aws_quantum_task_batch.py

@@ -172,11 +172,7 @@ def _tasks_inputs_gatedefs(
         gate_definitions = gate_definitions or {}
 
         single_task_type = (
-            Circuit,
-            Problem,
-            OpenQasmProgram,
-            BlackbirdProgram,
-            AnalogHamiltonianSimulation,
+            Circuit | Problem | OpenQasmProgram | BlackbirdProgram | AnalogHamiltonianSimulation
         )
         single_input_type = dict
         single_gate_definitions_type = dict
@@ -186,7 +182,7 @@ def _tasks_inputs_gatedefs(
 
         batch_length = 1
         arg_lengths = []
-        for arg, single_arg_type in zip(args, single_arg_types):
+        for arg, single_arg_type in zip(args, single_arg_types, strict=False):
             arg_length = 1 if isinstance(arg, single_arg_type) else len(arg)
             arg_lengths.append(arg_length)
 
@@ -199,10 +195,10 @@ def _tasks_inputs_gatedefs(
                 batch_length = arg_length
 
         for i in range(len(arg_lengths)):
-            if isinstance(args[i], (dict, single_task_type)):
+            if isinstance(args[i], (dict | single_task_type)):
                 args[i] = repeat(args[i], batch_length)
 
-        tasks_inputs_definitions = list(zip(*args))
+        tasks_inputs_definitions = list(zip(*args, strict=False))
 
         for task_specification, input_map, _gate_definitions in tasks_inputs_definitions:
             if isinstance(task_specification, Circuit):
@@ -352,7 +348,9 @@ def results(
         if not self._results or not use_cached_value:
             self._results = AwsQuantumTaskBatch._retrieve_results(self._tasks, self._max_workers)
             self._unsuccessful = {
-                task.id for task, result in zip(self._tasks, self._results) if not result
+                task.id
+                for task, result in zip(self._tasks, self._results, strict=False)
+                if not result
             }
 
         retries = 0
@@ -402,14 +400,16 @@ def retry_unsuccessful_tasks(self) -> bool:
             *self._aws_quantum_task_args,
             **self._aws_quantum_task_kwargs,
         )
-        for index, task in zip(unsuccessful_indices, retried_tasks):
+        for index, task in zip(unsuccessful_indices, retried_tasks, strict=False):
             self._tasks[index] = task
 
         retried_results = AwsQuantumTaskBatch._retrieve_results(retried_tasks, self._max_workers)
-        for index, result in zip(unsuccessful_indices, retried_results):
+        for index, result in zip(unsuccessful_indices, retried_results, strict=False):
             self._results[index] = result
         self._unsuccessful = {
-            task.id for task, result in zip(retried_tasks, retried_results) if not result
+            task.id
+            for task, result in zip(retried_tasks, retried_results, strict=False)
+            if not result
         }
         return not self._unsuccessful
 

src/braket/aws/queue_information.py

@@ -13,7 +13,6 @@
 
 from dataclasses import dataclass
 from enum import Enum
-from typing import Optional
 
 
 class QueueType(str, Enum):
@@ -59,8 +58,8 @@ class QuantumTaskQueueInfo:
     """
 
     queue_type: QueueType
-    queue_position: Optional[str] = None
-    message: Optional[str] = None
+    queue_position: str | None = None
+    message: str | None = None
 
 
 @dataclass
@@ -77,5 +76,5 @@ class HybridJobQueueInfo:
             if 'queue_position' is None. Default: None.
     """
 
-    queue_position: Optional[str] = None
-    message: Optional[str] = None
+    queue_position: str | None = None
+    message: str | None = None

src/braket/circuits/angled_gate.py

@@ -382,7 +382,7 @@ def angled_ascii_characters(gate: str, angle: FreeParameterExpression | float) -
         str: Returns the ascii representation for an angled gate.
 
     """
-    return f'{gate}({angle:{".2f" if isinstance(angle, (float, Float)) else ""}})'
+    return f'{gate}({angle:{".2f" if isinstance(angle, (float | Float)) else ""}})'
 
 
 def _multi_angled_ascii_characters(
@@ -409,7 +409,7 @@ def format_string(angle: FreeParameterExpression | float) -> str:
         Returns:
             str: The ASCII representation of the angle.
         """
-        return ".2f" if isinstance(angle, (float, Float)) else ""
+        return ".2f" if isinstance(angle, (float | Float)) else ""
 
     return f"{gate}({', '.join(f'{angle:{format_string(angle)}}' for angle in angles)})"
 

src/braket/circuits/basis_state.py

@@ -1,13 +1,12 @@
 from __future__ import annotations
 
 from functools import singledispatch
-from typing import Optional, Union
 
 import numpy as np
 
 
 class BasisState:
-    def __init__(self, state: BasisStateInput, size: Optional[int] = None):  # noqa: UP007
+    def __init__(self, state: BasisStateInput, size: int | None = None):
         self.state = _as_tuple(state, size)
 
     @property
@@ -48,7 +47,7 @@ def __getitem__(self, item: int):
         return BasisState(self.state[item])
 
 
-BasisStateInput = Union[int, list[int], str, BasisState]
+BasisStateInput = int | list[int] | str | BasisState
 
 
 @singledispatch

src/braket/circuits/braket_program_context.py

@@ -12,7 +12,6 @@
 # language governing permissions and limitations under the License.
 
 from collections.abc import Iterable
-from typing import Optional, Union
 
 import numpy as np
 from sympy import Expr, Number
@@ -32,7 +31,7 @@
 
 
 class BraketProgramContext(AbstractProgramContext):
-    def __init__(self, circuit: Optional[Circuit] = None):
+    def __init__(self, circuit: Circuit | None = None):
         """Inits a `BraketProgramContext`.
 
         Args:
@@ -143,9 +142,7 @@ def add_result(self, result: Results) -> None:
         """
         self._circuit.add_result_type(braket_result_to_result_type(result))
 
-    def handle_parameter_value(
-        self, value: Union[float, Expr]
-    ) -> Union[float, FreeParameterExpression]:
+    def handle_parameter_value(self, value: float | Expr) -> float | FreeParameterExpression:
         """Convert parameter value to required format.
 
         Args:
@@ -163,7 +160,7 @@ def handle_parameter_value(
         return value
 
     def add_measure(
-        self, target: tuple[int], classical_targets: Optional[Iterable[int]] = None
+        self, target: tuple[int], classical_targets: Iterable[int] | None = None
     ) -> None:
         """Add a measure instruction to the circuit
 

src/braket/circuits/circuit.py

@@ -612,7 +612,7 @@ def add_circuit(
         if target is not None:
             keys = sorted(circuit.qubits)
             values = target
-            target_mapping = dict(zip(keys, values))
+            target_mapping = dict(zip(keys, values, strict=False))
 
         for instruction in circuit.instructions:
             self.add_instruction(instruction, target_mapping=target_mapping)
@@ -678,7 +678,7 @@ def add_verbatim_box(
         if target is not None:
             keys = sorted(verbatim_circuit.qubits)
             values = target
-            target_mapping = dict(zip(keys, values))
+            target_mapping = dict(zip(keys, values, strict=False))
 
         if verbatim_circuit.result_types:
             raise ValueError("Verbatim subcircuit is not measured and cannot have result types")
@@ -1403,7 +1403,7 @@ def _generate_frame_wf_defcal_declarations(
                 # Corresponding defcals with fixed arguments have been added
                 # in _get_frames_waveforms_from_instrs
                 if isinstance(gate, Parameterizable) and any(
-                    not isinstance(parameter, (float, int, complex))
+                    not isinstance(parameter, (float | int | complex))
                     for parameter in gate.parameters
                 ):
                     continue
@@ -1511,7 +1511,7 @@ def _add_fixed_argument_calibrations(
                 )
                 additional_calibrations[bound_key] = calibration(**{
                     p.name if isinstance(p, FreeParameterExpression) else p: v
-                    for p, v in zip(gate.parameters, instruction.operator.parameters)
+                    for p, v in zip(gate.parameters, instruction.operator.parameters, strict=False)
                 })
         return additional_calibrations
 

src/braket/circuits/circuit_helpers.py

@@ -39,7 +39,7 @@ def validate_circuit_and_shots(circuit: Circuit, shots: int) -> None:
         if not circuit.observables_simultaneously_measurable:
             raise ValueError("Observables cannot be sampled simultaneously")
         for rt in circuit.result_types:
-            if isinstance(rt, (ResultType.Amplitude, ResultType.StateVector)):
+            if isinstance(rt, (ResultType.Amplitude | ResultType.StateVector)):
                 raise ValueError("StateVector or Amplitude cannot be specified when shots>0")  # noqa: TRY004
             if isinstance(rt, ResultType.Probability):
                 num_qubits = len(rt.target) or circuit.qubit_count

src/braket/circuits/noise_model/circuit_instruction_criteria.py

@@ -12,7 +12,6 @@
 # language governing permissions and limitations under the License.
 
 from abc import abstractmethod
-from typing import Optional, Union
 
 from braket.circuits.instruction import Instruction
 from braket.circuits.noise_model.criteria import Criteria
@@ -39,7 +38,7 @@ def instruction_matches(self, instruction: Instruction) -> bool:
 
     @staticmethod
     def _check_target_in_qubits(
-        qubits: Optional[set[Union[int, tuple[int]]]], target: QubitSetInput
+        qubits: set[int | tuple[int]] | None, target: QubitSetInput
     ) -> bool:
         """Returns true if the given targets of an instruction match the given qubit input set.
 

src/braket/circuits/noise_model/criteria_input_parsing.py

@@ -12,15 +12,14 @@
 # language governing permissions and limitations under the License.
 
 from collections.abc import Iterable
-from typing import Optional, Union
 
 from braket.circuits.quantum_operator import QuantumOperator
 from braket.registers.qubit_set import QubitSetInput
 
 
 def parse_operator_input(
-    operators: Union[QuantumOperator, Iterable[QuantumOperator]],
-) -> Optional[set[QuantumOperator]]:
+    operators: QuantumOperator | Iterable[QuantumOperator],
+) -> set[QuantumOperator] | None:
     """Processes the quantum operator input to __init__ to validate and return a set of
     QuantumOperators.
 
@@ -46,8 +45,8 @@ def parse_operator_input(
 
 
 def parse_qubit_input(
-    qubits: Optional[QubitSetInput], expected_qubit_count: Optional[int] = 0
-) -> Optional[set[Union[int, tuple[int]]]]:
+    qubits: QubitSetInput | None, expected_qubit_count: int | None = 0
+) -> set[int | tuple[int]] | None:
     """Processes the qubit input to __init__ to validate and return a set of qubit targets.
 
     Args:

src/braket/circuits/noise_model/gate_criteria.py

@@ -12,7 +12,7 @@
 # language governing permissions and limitations under the License.
 
 from collections.abc import Iterable
-from typing import Any, Optional, Union
+from typing import Any
 
 from braket.circuits.gate import Gate
 from braket.circuits.instruction import Instruction
@@ -30,8 +30,8 @@ class GateCriteria(CircuitInstructionCriteria):
 
     def __init__(
         self,
-        gates: Optional[Union[Gate, Iterable[Gate]]] = None,
-        qubits: Optional[QubitSetInput] = None,
+        gates: Gate | Iterable[Gate] | None = None,
+        qubits: QubitSetInput | None = None,
     ):
         """Creates Gate-based Criteria. See instruction_matches() for more details.
 
@@ -66,7 +66,7 @@ def applicable_key_types(self) -> Iterable[CriteriaKey]:
         """
         return [CriteriaKey.QUBIT, CriteriaKey.GATE]
 
-    def get_keys(self, key_type: CriteriaKey) -> Union[CriteriaKeyResult, set[Any]]:
+    def get_keys(self, key_type: CriteriaKey) -> CriteriaKeyResult | set[Any]:
         """Gets the keys for a given CriteriaKey.
 
         Args: