--- a/mercurial/context.py Sun Oct 06 13:17:19 2019 -0400 +++ b/mercurial/context.py Sun Oct 06 13:28:56 2019 -0400 @@ -23,6 +23,7 @@ wdirfilenodeids, wdirhex, ) +from .pycompat import open from . import ( copies, dagop,