def record(self, func):
        if self.app:
            from warnings import warn
            warn('The blueprint was already registered once '
                         'but is getting modified now.  These changes '
                         'will not show up.')
        self.deferred_functions.append(func)
Finds all unconfirmed migrations within the confirmation window for
dataset/ETHPy150Open zeaphoo/cocopot/cocopot/blueprints.py/Blueprint.record--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/db/api.py/migration_get_unconfirmed_by_dest_compute