From 35fc3acc27b179477e043ccfce4c79ca5860a8e2 Mon Sep 17 00:00:00 2001
From: Bissbert <43237892+Bissbert@users.noreply.github.com>
Date: Sun, 15 Feb 2026 00:06:14 +0700
Subject: [PATCH] fix: resolve ruff UP007 and F401 lint errors

- Replace Union[X, Y] with X | Y syntax (UP007)
- Remove unused Definition and FormNode imports in tests (F401)
---
 src/cdl_parser/models.py | 4 ++--
 tests/test_parser.py     | 2 --
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/cdl_parser/models.py b/src/cdl_parser/models.py
index 2a5078c..05533e2 100644
--- a/src/cdl_parser/models.py
+++ b/src/cdl_parser/models.py
@@ -7,7 +7,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass, field
-from typing import Any, Union
+from typing import Any
 
 
 @dataclass
@@ -147,7 +147,7 @@ def __str__(self) -> str:
 
 
 # Type alias for form tree nodes
-FormNode = Union[CrystalForm, FormGroup]
+FormNode = CrystalForm | FormGroup
 
 
 @dataclass
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 843163a..39924ca 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -12,10 +12,8 @@
     POINT_GROUPS,
     CrystalDescription,
     CrystalForm,
-    Definition,
     Feature,
     FormGroup,
-    FormNode,
     MillerIndex,
     ParseError,
     PhenomenonSpec,