def _close_revision(self, request):
        if request.META.get(REVISION_MIDDLEWARE_FLAG, False):
            del request.META[REVISION_MIDDLEWARE_FLAG]
            revision_context_manager.end()
``ApplicationNodeDeployer.calculate_changes`` does not specify
dataset/ETHPy150Open etianen/django-reversion/src/reversion/middleware.py/RevisionMiddleware._close_revision--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/test/test_container.py/ApplicationNodeDeployerCalculateChangesTests.test_only_this_node