treewide: stop using Union type in favour of |

nix_update/eval.py

@@ -2,7 +2,7 @@ import json
 import os
 from dataclasses import InitVar, dataclass, field
 from textwrap import dedent, indent
-from typing import Any, Dict, List, Literal, Optional, Union
+from typing import Any, Dict, List, Literal, Optional
 from urllib.parse import ParseResult, urlparse
 
 from .errors import UpdateError
@@ -57,7 +57,7 @@ class Package:
     has_update_script: bool
 
     raw_version_position: InitVar[Optional[Dict[str, Any]]]
-    raw_cargo_lock: InitVar[Union[Literal[False], str, None]]
+    raw_cargo_lock: InitVar[Literal[False] | str | None]
 
     parsed_url: Optional[ParseResult] = None
     new_version: Optional[Version] = None
@@ -69,7 +69,7 @@ class Package:
         self,
         import_path: str,
         raw_version_position: Optional[Dict[str, Any]],
-        raw_cargo_lock: Union[Literal[False], str, None],
+        raw_cargo_lock: Literal[False] | str | None,
     ) -> None:
         url = self.url or (self.urls[0] if self.urls else None)
         if url:

nix_update/update.py

@@ -9,7 +9,7 @@ import tomllib
 from concurrent.futures import ThreadPoolExecutor
 from os import path
 from pathlib import Path
-from typing import Dict, Literal, Optional, Tuple, Union
+from typing import Dict, Literal, Optional, Tuple
 
 from .errors import UpdateError
 from .eval import CargoLockInSource, CargoLockInStore, NoCargoLock, Package, eval_attr
@@ -152,7 +152,9 @@ def update_cargo_deps_hash(opts: Options, filename: str, current_hash: str) -> N
     replace_hash(filename, current_hash, target_hash)
 
 
-def update_cargo_lock(opts: Options, filename: str, dst: Union[CargoLockInSource, CargoLockInStore]) -> None:
+def update_cargo_lock(
+    opts: Options, filename: str, dst: CargoLockInSource | CargoLockInStore
+) -> None:
     res = run(
         [
             "nix",

nix_update/utils.py

@@ -2,7 +2,7 @@ import os
 import subprocess
 import sys
 from pathlib import Path
-from typing import IO, Any, Callable, Dict, List, Optional, Union
+from typing import IO, Any, Callable, Dict, List, Optional
 
 HAS_TTY = sys.stdout.isatty()
 ROOT = Path(os.path.dirname(os.path.realpath(__file__)))
@@ -24,9 +24,9 @@ info = color_text(32)
 
 def run(
     command: List[str],
-    cwd: Optional[Union[Path, str]] = None,
-    stdout: Union[None, int, IO[Any]] = subprocess.PIPE,
-    stderr: Union[None, int, IO[Any]] = None,
+    cwd: Optional[Path | str] = None,
+    stdout: None | int | IO[Any] = subprocess.PIPE,
+    stderr: None | int | IO[Any] = None,
     check: bool = True,
     extra_env: Dict[str, str] = {},
 ) -> "subprocess.CompletedProcess[str]":