def setnoempty(self, key, value):
        if value:
            self[key] = value
Return a list of all states described by the configuration.
dataset/ETHPy150Open Stiivi/brewery/brewery/utils.py/IgnoringDictionary.setnoempty--crossover with--dataset/ETHPy150Open edgewall/trac/trac/ticket/default_workflow.py/ConfigurableTicketWorkflow.get_all_status