Document that frozendict is not a dict subclass

python · vstinner · Feb 17, 2026 · Feb 12, 2026 · Feb 12, 2026 · Feb 12, 2026
commit 9101b1a432f7976795098071aa7e8bca9623ee5d
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
@@ -5865,6 +5865,9 @@ An example of dictionary view usage::
    * ``frozendict |= other`` does not modify the :class:`!frozendict` in-place but
      creates a new frozen dictionary.
 
+   :class:`!frozendict` is not a :class:`!dict` subclass but inherits directly
+   from ``object``.
+
    .. versionadded:: next