remove the Calc hack

1 files changed, 2 insertions, 0 deletions

diff --git a/tutorius/tutorial.py b/tutorius/tutorial.py
index b45363f..efcc0dc 100644
--- a/tutorius/tutorial.py
+++ b/tutorius/tutorial.py
@@ -18,6 +18,7 @@
 #TODO: For notification of modifications on the Tutorial check for GObject and PyDispatcher for inspiration
 
 from .constraints import ConstraintException
+from . import properties
 from .properties import TPropContainer
 
 _NAME_SEPARATOR = "/"
@@ -802,6 +803,7 @@ class State(object):
 #TODO: Define the automatic transition in the same way as
 #      other events 
 class AutomaticTransitionEvent(TPropContainer):
+    source = properties.TStringProperty(None, null=True)
     def __repr__(self):
         return str(self.__class__.__name__)