mercurial/__init__.py

--- a/mercurial/__init__.py	Sun May 21 12:09:01 2017 -0700
+++ b/mercurial/__init__.py	Sun May 21 12:10:53 2017 -0700
@@ -9,6 +9,10 @@
 
 import sys
 
+# Allow 'from mercurial import demandimport' to keep working.
+import hgdemandimport
+demandimport = hgdemandimport
+
 __all__ = []
 
 # Python 3 uses a custom module loader that transforms source code between