--- a/tests/lockdelay.py	Sat Oct 05 10:29:34 2019 -0400
+++ b/tests/lockdelay.py	Sun Oct 06 09:45:02 2019 -0400
@@ -7,8 +7,8 @@
 import os
 import time
 
+
 def reposetup(ui, repo):
-
     class delayedlockrepo(repo.__class__):
         def lock(self):
             delay = float(os.environ.get('HGPRELOCKDELAY', '0.0'))
@@ -19,4 +19,5 @@
             if delay:
                 time.sleep(delay)
             return res
+
     repo.__class__ = delayedlockrepo