def get_keypair_at_top(self, message, user_id, name):
        if not self._at_the_top():
            return

        try:
            return objects.KeyPair.get_by_name(message.ctxt, user_id, name)
        except exception.KeypairNotFound:
            pass
Verify that Munki is installed and accessible on this system.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/cells/messaging.py/_BroadcastMessageMethods.get_keypair_at_top--crossover with--dataset/ETHPy150Open google/simian/src/simian/mac/munki/pkgs.py/MunkiPackageInfo.VerifyMunkiInstall