From 53694b3526150722fa96b5a23125c035365e09d9 Mon Sep 17 00:00:00 2001
From: Tobias Raabe <raabe@posteo.de>
Date: Mon, 29 Dec 2025 18:31:10 +0100
Subject: [PATCH 1/4] Raise minimum Python to 3.10

---
 .github/workflows/main.yml | 2 +-
 pyproject.toml             | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1fb57ef..7f7a5c0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
       - uses: actions/checkout@v6
diff --git a/pyproject.toml b/pyproject.toml
index 1b3452d..1b52840 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "attrs>=21.3.0",
     "click>=8.1.8,!=8.2.0",

From ac1014cd4316a3de8f3a06092043eca2c27debee Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 29 Dec 2025 17:41:46 +0000
Subject: [PATCH 2/4] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 src/pytask_parallel/backends.py | 5 ++++-
 src/pytask_parallel/utils.py    | 2 +-
 tests/conftest.py               | 5 ++++-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/pytask_parallel/backends.py b/src/pytask_parallel/backends.py
index 06a3f5e..f5aa6ee 100644
--- a/src/pytask_parallel/backends.py
+++ b/src/pytask_parallel/backends.py
@@ -8,14 +8,17 @@
 from concurrent.futures import ProcessPoolExecutor
 from concurrent.futures import ThreadPoolExecutor
 from enum import Enum
+from typing import TYPE_CHECKING
 from typing import Any
-from typing import Callable
 from typing import ClassVar
 
 import cloudpickle
 from attrs import define
 from loky import get_reusable_executor
 
+if TYPE_CHECKING:
+    from collections.abc import Callable
+
 __all__ = ["ParallelBackend", "ParallelBackendRegistry", "WorkerType", "registry"]
 
 
diff --git a/src/pytask_parallel/utils.py b/src/pytask_parallel/utils.py
index 1db9ab2..7688b01 100644
--- a/src/pytask_parallel/utils.py
+++ b/src/pytask_parallel/utils.py
@@ -6,7 +6,6 @@
 from functools import partial
 from typing import TYPE_CHECKING
 from typing import Any
-from typing import Callable
 
 from pytask import NodeLoadError
 from pytask import PNode
@@ -19,6 +18,7 @@
 from pytask_parallel.typing import is_local_path
 
 if TYPE_CHECKING:
+    from collections.abc import Callable
     from concurrent.futures import Future
     from pathlib import Path
     from types import ModuleType
diff --git a/tests/conftest.py b/tests/conftest.py
index 084397a..5bc9dcf 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,13 +2,16 @@
 
 import sys
 from contextlib import contextmanager
-from typing import Callable
+from typing import TYPE_CHECKING
 
 import pytest
 from click.testing import CliRunner
 from nbmake.pytest_items import NotebookItem
 from pytask import storage
 
+if TYPE_CHECKING:
+    from collections.abc import Callable
+
 
 class SysPathsSnapshot:
     """A snapshot for sys.path."""

From abf57c22167c2f37eab61b0b7708df78e7ef1fec Mon Sep 17 00:00:00 2001
From: Tobias Raabe <raabe@posteo.de>
Date: Mon, 29 Dec 2025 18:48:50 +0100
Subject: [PATCH 3/4] Document Python support update

---
 docs/source/changes.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/source/changes.md b/docs/source/changes.md
index e2ab1c8..308df57 100644
--- a/docs/source/changes.md
+++ b/docs/source/changes.md
@@ -5,6 +5,10 @@ chronological order. Releases follow [semantic versioning](https://semver.org/)
 releases are available on [PyPI](https://pypi.org/project/pytask-parallel) and
 [Anaconda.org](https://anaconda.org/conda-forge/pytask-parallel).
 
+## Unreleased
+
+- {pull}`129` drops support for Python 3.8 and 3.9 and adds support for Python 3.14.
+
 ## 0.5.1 - 2025-03-09
 
 - {pull}`114` drops support for Python 3.8 and adds support for Python 3.13.

From ecd5d3d23d1931e00715e6a421d65c8af2b6be79 Mon Sep 17 00:00:00 2001
From: Tobias Raabe <raabe@posteo.de>
Date: Mon, 29 Dec 2025 19:15:30 +0100
Subject: [PATCH 4/4] Handle --trace input on Python 3.14

---
 tests/test_execute.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/test_execute.py b/tests/test_execute.py
index 761169a..c06919a 100644
--- a/tests/test_execute.py
+++ b/tests/test_execute.py
@@ -266,9 +266,11 @@ def test_task_without_path_that_return(runner, tmp_path, parallel_backend):
 @pytest.mark.parametrize("parallel_backend", _IMPLEMENTED_BACKENDS)
 def test_parallel_execution_is_deactivated(runner, tmp_path, flag, parallel_backend):
     tmp_path.joinpath("task_example.py").write_text("def task_example(): pass")
+    input_ = "c\n" if flag == "--trace" else None
     result = runner.invoke(
         cli,
         [tmp_path.as_posix(), "-n", "2", "--parallel-backend", parallel_backend, flag],
+        input=input_,
     )
     assert result.exit_code == ExitCode.OK
     assert "Started 2 workers" not in result.output