--- a/mercurial/extensions.py	Fri Aug 12 11:36:42 2016 +0900
+++ b/mercurial/extensions.py	Wed May 03 11:16:55 2017 +0900
@@ -171,8 +171,6 @@
                 continue
         try:
             load(ui, name, path)
-        except KeyboardInterrupt:
-            raise
         except Exception as inst:
             inst = _forbytes(inst)
             if path: