style: remove Union

Author: bearomorphism

commitizen/cmd.py

@@ -1,7 +1,9 @@
+from __future__ import annotations
+
 import os
 import subprocess
 from collections.abc import Mapping
-from typing import NamedTuple, Union
+from typing import NamedTuple
 
 from charset_normalizer import from_bytes
 
@@ -29,7 +31,7 @@ def _try_decode(bytes_: bytes) -> str:
             raise CharacterSetDecodeError() from e
 
 
-def run(cmd: str, env: Union[Mapping[str, str], None] = None) -> Command:
+def run(cmd: str, env: Mapping[str, str] | None = None) -> Command:
     if env is not None:
         env = {**os.environ, **env}
     process = subprocess.Popen(

commitizen/cz/utils.py

@@ -1,15 +1,14 @@
 import os
 import re
 import tempfile
-from typing import Union
 
 from commitizen import git
 from commitizen.cz import exceptions
 
 _RE_LOCAL_VERSION = re.compile(r"\+.+")
 
 
-def required_validator(answer: str, msg: Union[str, None] = None) -> str:
+def required_validator(answer: str, msg: object = None) -> str:
     if not answer:
         raise exceptions.AnswerRequiredError(msg)
     return answer