def full(self):
        self.mutex.acquire()
        n = self._full()
        self.mutex.release()
        return n
Instance exists if we have external_id and it's within Durham County
dataset/ETHPy150Open babble/babble/include/jython/Lib/Queue.py/Queue.full--crossover with--dataset/ETHPy150Open codefordurham/Durham-Restaurants/eatsmart/locations/durham/api.py/EstablishmentImporter.get_instance