def close_when_done (self):
        self.producer_fifo.append(None)
Export a domain alias using CSV format
dataset/ETHPy150Open Southpaw-TACTIC/TACTIC/src/context/client/tactic-api-python-4.0.api04/Lib/asynchat.py/async_chat.close_when_done--crossover with--dataset/ETHPy150Open tonioo/modoboa/modoboa/admin/models/domain_alias.py/DomainAlias.to_csv