How to use the danlp.download.DATASETS.items function in danlp

def test_all_downloadable_files_has_checksums(self):
        for model, data in MODELS.items():
            self.assertIn('size', data, msg="Model {}".format(model))
            self.assertIn('md5_checksum', data)
            self.assertIn('file_extension', data)

        for dataset, data in DATASETS.items():
            self.assertIn('size', data, msg="Dataset {}".format(dataset))
            self.assertIn('md5_checksum', data)
            self.assertIn('file_extension', data)