style: use target version practices

tests/unit/core/python/_core/test_PythonDocumentationGenerator/test_generate_documentation/case03/expected/user_management/storage.md

@@ -125,12 +125,12 @@ Returns all users.
 ##### Method signature
 
 ```python
-list_all(self) -> List[User]
+list_all(self) -> list[User]
 ```
 
 ##### Returns
 
-Return type: `List[User]`
+Return type: `list[User]`
 
 ##### Parameters
 

tests/unit/core/python/_core/test_PythonDocumentationGenerator/test_generate_documentation/case03/project/user_management/models.py

@@ -1,5 +1,4 @@
 from dataclasses import dataclass
-from typing import Optional
 
 
 @dataclass
@@ -11,4 +10,4 @@ class User:
     id: str
     name: str
     email: str
-    age: Optional[int] = None
+    age: int | None = None

tests/unit/core/python/_core/test_PythonDocumentationGenerator/test_generate_documentation/case03/project/user_management/storage.py

@@ -1,5 +1,3 @@
-from typing import Dict, List
-
 from .models import User
 
 
@@ -10,7 +8,7 @@ class InMemoryUserStorage:
     """
 
     def __init__(self):
-        self._users: Dict[str, User] = {}
+        self._users: dict[str, User] = {}
 
     def add(self, user: User) -> None:
         """Adds a user."""
@@ -24,6 +22,6 @@ class InMemoryUserStorage:
         """Deletes a user."""
         del self._users[user_id]
 
-    def list_all(self) -> List[User]:
+    def list_all(self) -> list[User]:
         """Returns all users."""
         return list(self._users.values())