diff -r cdfba684b6a1 -r 53229e170496 mercurial/shelve.py
--- a/mercurial/shelve.py	Fri Aug 12 14:35:34 2022 -0700
+++ b/mercurial/shelve.py	Mon Aug 22 16:59:14 2022 -0400
@@ -102,7 +102,7 @@
 def _use_internal_phase(repo):
     return (
         phases.supportinternal(repo)
-        and repo.ui.config(b'shelve', b'store') == 'internal'
+        and repo.ui.config(b'shelve', b'store') == b'internal'
     )