hgext/remotefilelog/__init__.py

--- a/hgext/remotefilelog/__init__.py	Sun Oct 06 13:17:19 2019 -0400
+++ b/hgext/remotefilelog/__init__.py	Sun Oct 06 13:28:56 2019 -0400
@@ -132,6 +132,7 @@
 
 from mercurial.node import hex
 from mercurial.i18n import _
+from mercurial.pycompat import open
 from mercurial import (
     changegroup,
     changelog,