diff -r fe34c75f62ab -r 6085b7f1536d mercurial/verify.py
--- a/mercurial/verify.py	Mon Apr 05 23:54:54 2021 -0400
+++ b/mercurial/verify.py	Tue Apr 06 10:38:03 2021 +0200
@@ -416,7 +416,7 @@
             storefiles = set()
             subdirs = set()
             revlogv1 = self.revlogv1
-            for f, f2, size in repo.store.datafiles():
+            for t, f, f2, size in repo.store.datafiles():
                 if not f:
                     self._err(None, _(b"cannot decode filename '%s'") % f2)
                 elif (size > 0 or not revlogv1) and f.startswith(b'meta/'):
@@ -480,7 +480,7 @@
         ui.status(_(b"checking files\n"))
 
         storefiles = set()
-        for f, f2, size in repo.store.datafiles():
+        for rl_type, f, f2, size in repo.store.datafiles():
             if not f:
                 self._err(None, _(b"cannot decode filename '%s'") % f2)
             elif (size > 0 or not revlogv1) and f.startswith(b'data/'):