gh-98576: Fix types in dataclass.InitVar example (gh-98577)

miss-islington · hauntsaninja · web-flow · commit 1907e5a7cca9 · 2022-10-31T08:08:54.000-07:00
(cherry picked from commit 880bafc) Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
diff --git a/Doc/library/dataclasses.rst b/Doc/library/dataclasses.rst
@@ -561,8 +561,8 @@ value is not provided when creating the class::
   @dataclass
   class C:
       i: int
-      j: int = None
-      database: InitVar[DatabaseType] = None
+      j: int | None = None
+      database: InitVar[DatabaseType | None] = None
 
       def __post_init__(self, database):
           if self.j is None and database is not None:
