fix: image relative path

bosch-small-traffic-lights-dataset.py

@@ -43,8 +43,8 @@ the color distribution may seem unusual.
 _HOMEPAGE = "https://hci.iwr.uni-heidelberg.de/content/bosch-small-traffic-lights-dataset"
 _LICENSE = "non-commercial use only"
 _URL = {
-    "train": "https://huggingface.co/datasets/shpotes/bosch-small-traffic-lights-dataset/resolve/main/train.tar.gz",
-    "test": "https://huggingface.co/datasets/shpotes/bosch-small-traffic-lights-dataset/resolve/main/test.tar.gz",
+    "train": "train.tar.gz",
+    "test": "test.tar.gz",
 }
 
 class BoschSmallTrafficLights(datasets.GeneratorBasedBuilder):
@@ -76,28 +76,34 @@ class BoschSmallTrafficLights(datasets.GeneratorBasedBuilder):
     def _split_generators(self, dl_manager):
         urls = _URL
         data_dir = dl_manager.download_and_extract(urls)
+        print(data_dir)
+
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
                 # These kwargs will be passed to _generate_examples
                 gen_kwargs={
-                    "filepath": os.path.join(data_dir["train"], "train.yaml"),
+                    "root_dir": data_dir["train"],
+                    "filepath": "train.yaml",
                 },
             ),
             datasets.SplitGenerator(
                 name=datasets.Split.TEST,
                 # These kwargs will be passed to _generate_examples
                 gen_kwargs={
-                    "filepath": os.path.join(data_dir["test"], "test.yaml"),
+                    "root_dir": data_dir["test"],
+                    "filepath": "test.yaml",
                 },
             ),
         ]
 
-    def _generate_examples(self, filepath):
+    def _generate_examples(self, root_dir, filepath):
+        filepath = os.path.join(root_dir, filepath)
+
         with open(filepath, encoding="utf-8") as f:
             data = yaml.load(f, Loader=yaml.FullLoader)
             for key, row in enumerate(data):
                 yield key, {
-                    "img": os.path.abspath(row["path"]),
+                    "img": os.path.join(root_dir, row["path"]),
                     "boxes": row["boxes"]
                 }