Iterate for urls in each zip

NIH-Chest-X-ray-dataset.py

@@ -108,9 +108,12 @@ class XChest(datasets.GeneratorBasedBuilder):
 
 		# Iterate trought image folder and check if they belong to
 		# the trainset or testset
+
 		for batch in data_files:
 		  logger.info(f"Batch for data_files: {batch}")
-		  for img in dl_manager.download_and_extract(batch):
+		  path_files = dl_manager.iter_files(batch)
+		  for img in path_files:
+		    print(img)
 		    if img in train_val_list:
 		      train_files.append(img)
 		    else: