@base.remotable
    def delete_metadata_key(self, key):
        db.instance_metadata_delete(self._context, self.uuid, key)
        md_was_changed = 'metadata' in self.obj_what_changed()
        del self.metadata[key]
        self._orig_metadata.pop(key, None)
        notifications.send_update(self._context, self, self)
        if not md_was_changed:
            self.obj_reset_changes(['metadata'])
Return a page that shows the information on the aggregate.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/objects/instance.py/Instance.delete_metadata_key--crossover with--dataset/ETHPy150Open fp7-ofelia/ocf/expedient/src/python/expedient/clearinghouse/aggregate/views.py/info