diff -r 0d612db7047c -r c59eb1560c44 mercurial/mdiff.py
--- a/mercurial/mdiff.py	Sun Oct 06 16:39:13 2019 -0400
+++ b/mercurial/mdiff.py	Sun Oct 06 16:55:18 2019 -0400
@@ -12,7 +12,10 @@
 import zlib
 
 from .i18n import _
-from .pycompat import setattr
+from .pycompat import (
+    getattr,
+    setattr,
+)
 from . import (
     encoding,
     error,