def __init__(self, label, condition, description, view):
    self.label = label
    self.condition = condition
    self.description = description
    self.view = view
    self.__class__._registry.append(self)
def __init__(self, label, condition, description, view):
    self.label = label
    self.condition = condition
    self.description = description
    self.view = view
    self.__class__._registry.append(self)