--- a/mercurial/phases.py	Sun Oct 06 16:39:13 2019 -0400
+++ b/mercurial/phases.py	Sun Oct 06 16:55:18 2019 -0400
@@ -113,7 +113,10 @@
     nullrev,
     short,
 )
-from .pycompat import setattr
+from .pycompat import (
+    getattr,
+    setattr,
+)
 from . import (
     error,
     pycompat,