add typing_extensions for ParamSpec

pyproject.toml

@@ -24,6 +24,7 @@ classifiers = [
 dependencies = [
     "psutil",
     "numpy>=1.21",
+    "typing-extensions;python_version<'3.10'",
 ]
 dynamic = ["version"]
 
@@ -82,7 +83,6 @@ select = [
     "E",  # pycodestyle
     "EM",  # flake8-errmsg
     "F",  # pyflakes
-    "FURB",
     "G",  # flake8-logging-format
     "I",  # isort
     "ISC",  # flake8-implicit-str-concat

src/pycanape/utils.py

@@ -4,14 +4,21 @@
 
 import ctypes
 import logging
+import sys
 import winreg
 from collections.abc import Callable
 from ctypes.util import find_library
 from threading import Lock
-from typing import Any, ParamSpec, TypeVar
+from typing import Any, TypeVar
 
 import psutil
 
+if sys.version_info >= (3, 10):
+    from typing import ParamSpec
+else:
+    from typing_extensions import ParamSpec
+
+
 LOG = logging.getLogger(__name__)
 LOCK = Lock()