chore(api): align Python support with 3.12 (#34419)

Co-authored-by: Asuka Minato <i@asukaminato.eu.org>

api/tests/test_containers_integration_tests/conftest.py

@@ -12,7 +12,7 @@ import os
 from collections.abc import Generator
 from contextlib import contextmanager
 from pathlib import Path
-from typing import Protocol, TypeVar
+from typing import Protocol
 
 import psycopg2
 import pytest
@@ -48,11 +48,8 @@ class _CloserProtocol(Protocol):
         pass
 
 
-_Closer = TypeVar("_Closer", bound=_CloserProtocol)
-
-
 @contextmanager
-def _auto_close(closer: _Closer) -> Generator[_Closer, None, None]:
+def _auto_close[T: _CloserProtocol](closer: T) -> Generator[T, None, None]:
     yield closer
     closer.close()
 

api/tests/test_containers_integration_tests/models/test_types_enum_text.py

@@ -1,6 +1,6 @@
 from collections.abc import Callable, Iterable
 from enum import StrEnum
-from typing import Any, NamedTuple, TypeVar
+from typing import Any, NamedTuple
 
 import pytest
 import sqlalchemy as sa
@@ -58,10 +58,7 @@ class _ColumnTest(_Base):
     long_value: Mapped[_EnumWithLongValue] = mapped_column(EnumText(enum_class=_EnumWithLongValue), nullable=False)
 
 
-_T = TypeVar("_T")
-
-
-def _first(it: Iterable[_T]) -> _T:
+def _first[T](it: Iterable[T]) -> T:
     ls = list(it)
     if not ls:
         raise ValueError("List is empty")