mercurial/treediscovery.py

--- a/mercurial/treediscovery.py	Fri Nov 27 17:00:00 2020 -0500
+++ b/mercurial/treediscovery.py	Fri Nov 27 17:03:29 2020 -0500
@@ -117,7 +117,10 @@
             for p in pycompat.xrange(0, len(r), 10):
                 with remote.commandexecutor() as e:
                     branches = e.callcommand(
-                        b'branches', {b'nodes': r[p : p + 10],}
+                        b'branches',
+                        {
+                            b'nodes': r[p : p + 10],
+                        },
                     ).result()
 
                 for b in branches: