def list(self, request, *args, **kwargs):
        return super(AlertViewSet, self).list(request, *args, **kwargs)
imageset should be: trainval, train, or val
dataset/ETHPy150Open opennode/nodeconductor/nodeconductor/logging/views.py/AlertViewSet.list--crossover with--dataset/ETHPy150Open cvondrick/pyvision/vision/pascal.py/PascalDataset.imageset