From c6d0ff187edb3742f05d76230f275105cc959ffb Mon Sep 17 00:00:00 2001
From: Alex Waygood <alex.waygood@gmail.com>
Date: Sun, 1 Nov 2026 19:08:24 +0000
Subject: [PATCH] Restore read-only properties on builtins.type

---
 stdlib/builtins.pyi | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index 0075adf561c2..cf2cf8a22985 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -182,21 +182,29 @@ class classmethod(Generic[_T, _P, _R_co]):
 @disjoint_base
 class type:
     # object.__base__ is None. Otherwise, it would be a type.
-    __base__: Final[type | None]
+    @property
+    def __base__(self) -> type | None: ...
     __bases__: tuple[type, ...]
-    __basicsize__: Final[int]
+    @property
+    def __basicsize__(self) -> int: ...
     # type.__dict__ is read-only at runtime, but that can't be expressed currently.
     # See https://github.com/python/typeshed/issues/11033 for a discussion.
     __dict__: Final[types.MappingProxyType[str, Any]]  # type: ignore[assignment]
-    __dictoffset__: Final[int]
-    __flags__: Final[int]
-    __itemsize__: Final[int]
+    @property
+    def __dictoffset__(self) -> int: ...
+    @property
+    def __flags__(self) -> int: ...
+    @property
+    def __itemsize__(self) -> int: ...
     __module__: str
-    __mro__: Final[tuple[type, ...]]
+    @property
+    def __mro__(self) -> tuple[type, ...]: ...
     __name__: str
     __qualname__: str
-    __text_signature__: Final[str | None]
-    __weakrefoffset__: Final[int]
+    @property
+    def __text_signature__(self) -> str | None: ...
+    @property
+    def __weakrefoffset__(self) -> int: ...
 
     @overload
     def __init__(self, o: object, /) -> None: ...