diff -r 57875cf423c9 -r 2372284d9457 tests/mockmakedate.py
--- a/tests/mockmakedate.py	Sat Oct 05 10:29:34 2019 -0400
+++ b/tests/mockmakedate.py	Sun Oct 06 09:45:02 2019 -0400
@@ -7,6 +7,7 @@
 from mercurial import pycompat
 from mercurial.utils import dateutil
 
+
 def mockmakedate():
     filename = os.path.join(os.environ['TESTTMP'], 'testtime')
     try:
@@ -18,4 +19,5 @@
         timef.write(pycompat.bytestr(time))
     return (time, 0)
 
+
 dateutil.makedate = mockmakedate