--- Doc/tools/extensions/pyspecific.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: Python-3.9.22/Doc/tools/extensions/pyspecific.py =================================================================== --- Python-3.9.22.orig/Doc/tools/extensions/pyspecific.py 2025-04-08 17:21:55.000000000 +0200 +++ Python-3.9.22/Doc/tools/extensions/pyspecific.py 2025-04-11 09:49:58.417019238 +0200 @@ -407,7 +407,12 @@ translatable=False) node.append(para) env = self.state.document.settings.env - env.get_domain('changeset').note_changeset(node) + # deprecated pre-Sphinx-2 method + if hasattr(env, 'note_versionchange'): + env.note_versionchange('deprecated', version[0], node, self.lineno) + # new method + else: + env.get_domain('changeset').note_changeset(node) return [node] + messages