bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700)
diff --git a/Doc/library/weakref.rst b/Doc/library/weakref.rst
index 80a908b..a28d710 100644
--- a/Doc/library/weakref.rst
+++ b/Doc/library/weakref.rst
@@ -396,7 +396,7 @@
import weakref
class ExtendedRef(weakref.ref):
- def __init__(self, ob, callback=None, **annotations):
+ def __init__(self, ob, callback=None, /, **annotations):
super(ExtendedRef, self).__init__(ob, callback)
self.__counter = 0
for k, v in annotations.items():