Fix _generate_examples output dict

CXR_Reports.py

@@ -46,5 +46,5 @@ class ReportsCXR(datasets.GeneratorBasedBuilder):
     parsed_image_dataset = raw_image_dataset.map(_parse_image_function)
     for image_features in parsed_image_dataset:
       image_raw = image_features['image'].numpy()
-      yield {'image': image_raw, 'report': image_features['report']}
+      yield {'image': {"path":"", "bytes": image_raw}, 'report': image_features['report']}