diff -r bd2ed1032b4e -r f38bf44e077f mercurial/debugcommands.py
--- a/mercurial/debugcommands.py	Tue May 04 13:28:42 2021 -0400
+++ b/mercurial/debugcommands.py	Fri Apr 30 16:13:02 2021 -0700
@@ -2909,7 +2909,7 @@
 
 @command(b'debugrequires|debugrequirements', [], b'')
 def debugrequirements(ui, repo):
-    """ print the current repo requirements """
+    """print the current repo requirements"""
     for r in sorted(repo.requirements):
         ui.write(b"%s\n" % r)