def unlock(self):
        if not self.lock_fd:
            return False
        self.log("Attempting release mutex "
                 "({0})...".format(self.LOCK_FILE))
        fcntl.flock(self.lock_fd, fcntl.LOCK_UN)
        self.log("Unlock Complete.")
        return True
Trys to remove the lock file.
dataset/ETHPy150Open mozilla/inventory/mozdns/mozbind/builder.py/DNSBuilder.unlock