diff -r 57875cf423c9 -r 2372284d9457 mercurial/interfaces/dirstate.py
--- a/mercurial/interfaces/dirstate.py	Sat Oct 05 10:29:34 2019 -0400
+++ b/mercurial/interfaces/dirstate.py	Sun Oct 06 09:45:02 2019 -0400
@@ -2,16 +2,12 @@
 
 import contextlib
 
-from .. import (
-    node as nodemod,
-)
+from .. import node as nodemod
 
-from . import (
-    util as interfaceutil,
-)
+from . import util as interfaceutil
+
 
 class idirstate(interfaceutil.Interface):
-
     def __init__(opener, ui, root, validate, sparsematchfn):
         '''Create a new dirstate object.