whoops inherit from MaskCancellable not SimpleHandshake

diff --git a/src/nmutil/dynamicpipe.py b/src/nmutil/dynamicpipe.py
index aaba4a6ae58f5156359f014c8e25dbacda756e4c..f9c649c4ced0c132767d448becd9e7925873ae38 100644 (file)
--- a/src/nmutil/dynamicpipe.py
+++ b/src/nmutil/dynamicpipe.py
@@ -89,7 +89,7 @@ class SimpleHandshakeRedir(SimpleHandshake):
         SimpleHandshake.__init__(self, stage)
 
 
-class MaskCancellableRedir(SimpleHandshake):
+class MaskCancellableRedir(MaskCancellable):
     def __init__(self, mod, *args):
         stage = self
         maskwid = args[0].maskwid