From 918fc22b70eb0f22b5e25385b4b5fbef6bfaf7ac Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 27 Jul 2026 20:30:37 +0000
Subject: [PATCH 1/2] [pre-commit.ci] pre-commit autoupdate
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.15.2 → v0.16.0](https://github.com/astral-sh/ruff-pre-commit/compare/v0.15.2...v0.16.0)
---
 .pre-commit-config.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8bd8744..abf0fcf 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@ repos:
     -   id: check-toml
 # Python
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.2
+    rev: v0.16.0
     hooks:
     - id: ruff
       args: [ --fix ]

From ca06eaff8b9f493110d6eebeba56b454d0538d30 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 27 Jul 2026 20:30:57 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 dargs/dargs.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/dargs/dargs.py b/dargs/dargs.py
index f067b01..eab2733 100644
--- a/dargs/dargs.py
+++ b/dargs/dargs.py
@@ -58,7 +58,7 @@ class ArgumentError(Exception):
     """Base error class for invalid argument values in argchecking."""
 
     def __init__(
-        self, path: None | str | list[str] = None, message: str | None = None
+        self, path: str | list[str] | None = None, message: str | None = None
     ) -> None:
         super().__init__(message)
         if path is None:
@@ -142,7 +142,7 @@ class Argument:
     def __init__(
         self,
         name: str,
-        dtype: None | type | Iterable[type | Any | None],
+        dtype: type | Iterable[type | Any | None] | None,
         sub_fields: Iterable[Argument] | None = None,
         sub_variants: Iterable[Variant] | None = None,
         repeat: bool = False,
@@ -222,7 +222,7 @@ def I(self) -> Argument:  # noqa:E743
         return Argument("_", dict, [self])
 
     def _reorg_dtype(
-        self, dtype: None | type | Any | Iterable[type | Any | None]
+        self, dtype: type | Any | Iterable[type | Any | None] | None
     ) -> tuple[type | Any | None, ...]:
         if (
             isinstance(dtype, type)
@@ -258,7 +258,7 @@ def _reorg_dtype(
         # and make it compatible with `isinstance`
         return tuple(dtype)
 
-    def set_dtype(self, dtype: None | type | Iterable[type]) -> None:
+    def set_dtype(self, dtype: type | Iterable[type] | None) -> None:
         """Change the dtype of the current Argument."""
         self.dtype = self._reorg_dtype(dtype)
 
@@ -866,7 +866,7 @@ def extend_choices(self, choices: Iterable[Argument] | None) -> None:
     def add_choice(
         self,
         tag: str | Argument,
-        _dtype: None | type | Iterable[type] = dict,
+        _dtype: type | Iterable[type] | None = dict,
         *args: Any,
         **kwargs: Any,
     ) -> Argument: