Fix paths

hr500k.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 
 
+import os
+
 import datasets
 
 
@@ -112,23 +114,24 @@ class Hr500K(datasets.GeneratorBasedBuilder):
 
     def _split_generators(self, dl_manager):
         """Returns SplitGenerators."""
-        urls_to_download = {
-            'train': f"{_URL}{_TRAINING_FILE}",
-            'dev': f"{_URL}{_DEV_FILE}",
-            'test': f"{_URL}{_TEST_FILE}",
-        }
-
-        downloaded_files = dl_manager.download_and_extract(urls_to_download)
+        my_url = _URL[self.config.name]
+        data_dir = dl_manager.download_and_extract(my_url)
 
         return [
             datasets.SplitGenerator(
-                name=datasets.Split.TRAIN, gen_kwargs={'filepath': downloaded_files['train'], 'split': 'train'}
+                name=datasets.Split.TRAIN, gen_kwargs={
+                    'filepath': os.path.join(data_dir, _TRAINING_FILE),
+                    'split': 'train'}
             ),
             datasets.SplitGenerator(
-                name=datasets.Split.VALIDATION, gen_kwargs={'filepath': downloaded_files['dev'], 'split': 'dev'}
+                name=datasets.Split.VALIDATION, gen_kwargs={
+                    'filepath': os.path.join(data_dir, _DEV_FILE),
+                    'split': 'dev'}
             ),
             datasets.SplitGenerator(
-                name=datasets.Split.TEST, gen_kwargs={'filepath': downloaded_files['test'], 'split': 'test'}
+                name=datasets.Split.TEST, gen_kwargs={
+                    'filepath': os.path.join(data_dir, _TEST_FILE),
+                    'split': 'test'}
             ),
         ]