hgext/churn.py

--- a/hgext/churn.py	Sun Oct 06 13:17:19 2019 -0400
+++ b/hgext/churn.py	Sun Oct 06 13:28:56 2019 -0400
@@ -15,6 +15,7 @@
 import time
 
 from mercurial.i18n import _
+from mercurial.pycompat import open
 from mercurial import (
     cmdutil,
     encoding,