From f37da47f0ed2c8dceebe4194ced3adf21c1a23bd Mon Sep 17 00:00:00 2001
From: Joshua Rudolph <jrrudolph93@gmail.com>
Date: Tue, 8 Oct 2024 02:46:21 -0500
Subject: [PATCH] Updated `_ParameterBase.__init_subclass__` to call the
 superclass's `__init_subclass__` method. (#969)

---
 param/parameterized.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/param/parameterized.py b/param/parameterized.py
index c62bc855..d6f21f9b 100644
--- a/param/parameterized.py
+++ b/param/parameterized.py
@@ -971,6 +971,7 @@ def _modified_slots_defaults(cls):
 
     @classmethod
     def __init_subclass__(cls):
+        super().__init_subclass__()
         # _update_signature has been tested against the Parameters available
         # in Param, we don't want to break the Parameters created elsewhere
         # so wrapping this in a loose try/except.