def __from_json(self, o):
if '__class__' in o:
if o['__class__'] == TreeNode.NAME:
return TreeNode.dejsonify(o)
elif o['__class__'] == ActionRoot.NAME:
return ActionRoot.dejsonify(o)
elif o['__class__'] == ActionGroup.NAME:
return ActionGroup.dejsonify(o)
elif o['__class__'] == Action.NAME:
return Action.dejsonify(o)
elif o['__class__'] == StepItem.NAME:
return StepItem.dejsonify(o)
return o
