Update fixtures-captioning.py

fixtures-captioning.py

@@ -31,6 +31,7 @@ class FixturesCaptioningConfig(datasets.BuilderConfig):
         self.data_url = data_url
         self.url = url
         self.task_templates = task_templates
+        self.ordered_images_list = ["bbox_sample_image.jpeg", "bus.png", "chart.png", "skateboard.png"]
 class FixturesCaptioning(datasets.GeneratorBasedBuilder):
     """Fixtures for captioning and VQA models. Includes 4 images."""
     BUILDER_CONFIGS = [
@@ -58,7 +59,7 @@ class FixturesCaptioning(datasets.GeneratorBasedBuilder):
     def _split_generators(self, dl_manager):
         DL_URLS = [
             f"https://huggingface.co/datasets/hf-internal-testing/fixtures-captioning/raw/main/{name}"
-            for name in ["bbox_sample_image.jpeg", "bus.png", "chart.png", "skateboard.png"]
+            for name in self.ordered_images_list
         ]
         archive_path = dl_manager.download_and_extract(DL_URLS)
         return [
@@ -70,7 +71,7 @@ class FixturesCaptioning(datasets.GeneratorBasedBuilder):
     def _generate_examples(self, archive_path):
         """Generate examples."""
         for i, filename in enumerate(archive_path):
-            key = str(i)
+            key = self.ordered_images_list[i]
             example = {
                 "id": key,
                 "file": filename,