--- a/mercurial/scmutil.py	Fri May 07 08:38:17 2021 -0700
+++ b/mercurial/scmutil.py	Fri May 07 22:06:25 2021 -0400
@@ -1561,7 +1561,7 @@
 
 
 def istreemanifest(repo):
-    """ returns whether the repository is using treemanifest or not """
+    """returns whether the repository is using treemanifest or not"""
     return requirementsmod.TREEMANIFEST_REQUIREMENT in repo.requirements