Update test.py

test.py

@@ -567,9 +567,15 @@ class Food500(datasets.GeneratorBasedBuilder):
         split_metadata_path = dl_manager.download(_METADATA_URL)
         metadata = dl_manager.iter_archive(split_metadata_path)
         for file_path, file_obj in metadata:
-            if file_path == _TRAIN_TXT: train_set = set(file_obj.read().split("\n"))
-            if file_path == _VALID_TXT: valid_set = set(file_obj.read().split("\n"))
-            if file_path == _TEST_TXT: test_set = set(file_obj.read().split("\n"))
+            if file_path == _TRAIN_TXT: 
+                train_set = set(file_obj.read().split("\n"))
+                train_set = {path.encode("utf-8") for path in train_set}
+            if file_path == _VALID_TXT: 
+                valid_set = set(file_obj.read().split("\n"))
+                valid_set = {path.encode("utf-8") for path in train_set}
+            if file_path == _TEST_TXT: 
+                test_set = set(file_obj.read().split("\n"))
+                test_set = {path.encode("utf-8") for path in train_set}
             pass
         return [
             datasets.SplitGenerator(
@@ -597,7 +603,6 @@ class Food500(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, images, metadata_set):
         """Generate images and labels for splits."""
-        metadata_set = {path.encode("utf-8") for path in metadata_set}
         for file_path, file_obj in images:
             if file_path.startswith(_IMAGES_DIR):
                 if file_path[len(_IMAGES_DIR) : -len(".jpg")] in metadata_set: