--- a/mercurial/crecord.py	Sun Oct 06 16:39:13 2019 -0400
+++ b/mercurial/crecord.py	Sun Oct 06 16:55:18 2019 -0400
@@ -16,7 +16,10 @@
 import signal
 
 from .i18n import _
-from .pycompat import open
+from .pycompat import (
+    getattr,
+    open,
+)
 from . import (
     encoding,
     error,