bpo-43532: add version added to KW_ONLY (GH-31235)
Minor missing version note mentioned at the end of (and affected me independently before reading that note).
Automerge-Triggered-By: GH:ericvsmith
(cherry picked from commit 5a3f97291eea96037cceee097ebc00bba44bc9ed)
Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>
diff --git a/Doc/library/dataclasses.rst b/Doc/library/dataclasses.rst
index 6a9863c..1fe5bda 100644
--- a/Doc/library/dataclasses.rst
+++ b/Doc/library/dataclasses.rst
@@ -475,6 +475,8 @@
In a single dataclass, it is an error to specify more than one
field whose type is :const:`KW_ONLY`.
+ .. versionadded:: 3.10
+
.. exception:: FrozenInstanceError
Raised when an implicitly defined :meth:`__setattr__` or