Fix the type of deprecation warning for get_signature_prefix (refs: #9833)

tk0miya · tk0miya · commit 533963608488 · 2021-11-11T02:07:48.000+09:00
diff --git a/sphinx/domains/python.py b/sphinx/domains/python.py
@@ -26,7 +26,7 @@
 from sphinx.addnodes import desc_signature, pending_xref, pending_xref_condition
 from sphinx.application import Sphinx
 from sphinx.builders import Builder
-from sphinx.deprecation import RemovedInSphinx50Warning
+from sphinx.deprecation import RemovedInSphinx50Warning, RemovedInSphinx60Warning
 from sphinx.directives import ObjectDescription
 from sphinx.domains import Domain, Index, IndexEntry, ObjType
 from sphinx.environment import BuildEnvironment
@@ -501,7 +501,7 @@ def handle_signature(self, sig: str, signode: desc_signature) -> Tuple[str, str]
                     " returning a string is deprecated."
                     " It must now return a list of nodes."
                     " Return value was '{}'.".format(sig_prefix),
-                    RemovedInSphinx50Warning)
+                    RemovedInSphinx60Warning)
                 signode += addnodes.desc_annotation(sig_prefix, '',  # type: ignore
                                                     nodes.Text(sig_prefix))  # type: ignore
             else:
