mercurial/repair.py

--- a/mercurial/repair.py	Tue Jul 21 22:13:54 2020 +0200
+++ b/mercurial/repair.py	Sat Aug 08 15:48:17 2020 +0530
@@ -28,6 +28,7 @@
     pycompat,
     util,
 )
+from .interfaces import repository
 from .utils import (
     hashutil,
     stringutil,
@@ -418,7 +419,7 @@
 
 def manifestrevlogs(repo):
     yield repo.manifestlog.getstorage(b'')
-    if b'treemanifest' in repo.requirements:
+    if repository.TREEMANIFEST_REQUIREMENT in repo.requirements:
         # This logic is safe if treemanifest isn't enabled, but also
         # pointless, so we skip it if treemanifest isn't enabled.
         for unencoded, encoded, size in repo.store.datafiles():
@@ -476,7 +477,7 @@
 
         progress.complete()
 
-        if b'treemanifest' in repo.requirements:
+        if repository.TREEMANIFEST_REQUIREMENT in repo.requirements:
             # This logic is safe if treemanifest isn't enabled, but also
             # pointless, so we skip it if treemanifest isn't enabled.
             for dir in pathutil.dirs(seenfiles):