--- a/hgext/fastannotate/revmap.py Sun Oct 06 13:17:19 2019 -0400
+++ b/hgext/fastannotate/revmap.py Sun Oct 06 13:28:56 2019 -0400
@@ -13,6 +13,7 @@
import struct
from mercurial.node import hex
+from mercurial.pycompat import open
from mercurial import (
error as hgerror,
pycompat,