def add_sheet(self, dataset):
        if isinstance(dataset, Dataset):
            self._datasets.append(dataset)
        else:
            raise InvalidDatasetType
Adds given :class:`Dataset` to the :class:`Databook`.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/tablib-0.10.0/tablib/core.py/Databook.add_sheet