mercurial/posix.py

--- a/mercurial/posix.py	Sun Oct 06 13:17:19 2019 -0400
+++ b/mercurial/posix.py	Sun Oct 06 13:28:56 2019 -0400
@@ -21,6 +21,7 @@
 import unicodedata
 
 from .i18n import _
+from .pycompat import open
 from . import (
     encoding,
     error,