diff --git a/lib/matplotlib/cbook/deprecation.py b/lib/matplotlib/cbook/deprecation.py
index d84709fb9373..ebea17a8bc5c 100644
--- a/lib/matplotlib/cbook/deprecation.py
+++ b/lib/matplotlib/cbook/deprecation.py
@@ -119,6 +119,12 @@ def deprecated(since, *, message='', name='', alternative='', pending=False,
``@staticmethod`` (i.e., `deprecated` should directly decorate the
underlying callable), but *over* ``@property``.
+ When deprecating a class ``C`` intended to be used as a base class in a
+ multiple inheritance hierarchy, ``C`` *must* define an ``__init__`` method
+ (if ``C`` instead inherited its ``__init__`` from its own base class, then
+ ``@deprecated`` would mess up ``__init__`` inheritance when installing its
+ own (deprecation-emitting) ``C.__init__``).
+
Parameters
----------
since : str
pFad - Phonifier reborn
Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.
Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.
Alternative Proxies:
Alternative Proxy
pFad Proxy
pFad v3 Proxy
pFad v4 Proxy