Update PathfinderX2.py

PathfinderX2.py

@@ -89,7 +89,7 @@ class PathfinderX2(datasets.GeneratorBasedBuilder):
             ),
         ]
 
-    def _generate_examples(self, data, split):
+ def _generate_examples(self, data, split):
         if split == "training":
             images_dir, annotations_dir = data
             image_dict = {}
@@ -102,20 +102,23 @@ class PathfinderX2(datasets.GeneratorBasedBuilder):
                         image_id = os.path.splitext(file_annot)[0]
                         annotation_dict[image_id] = os.path.join(root, file_annot)
 
-            for idx, file_img in enumerate(os.listdir(images_dir)):
-                if file_img.endswith(".png"):
-                    image_id = os.path.splitext(file_img)[0]
-                    image_dict[image_id] = os.path.join(images_dir, file_img)
-
-                    path_img = image_dict[image_id]
-                    path_annot = annotation_dict[image_id]
-
-                    with open(path_img, "rb") as f_img:
-                        bytes_img = f_img.read()
-                    with open(path_annot, "rb") as f_annot:
-                        bytes_annot = f_annot.read()
-
-                    yield idx, {
-                        "image": {"path": path_img, "bytes": bytes_img},
-                        "annotation": {"path": path_annot, "bytes": bytes_annot},
-                    }
+            idx = 0
+            for root, _, files in os.walk(images_dir):
+                for file_img in files:
+                    if file_img.endswith(".png"):
+                        image_id = os.path.splitext(file_img)[0]
+                        image_dict[image_id] = os.path.join(root, file_img)
+
+                        path_img = image_dict[image_id]
+                        path_annot = annotation_dict[image_id]
+
+                        with open(path_img, "rb") as f_img:
+                            bytes_img = f_img.read()
+                        with open(path_annot, "rb") as f_annot:
+                            bytes_annot = f_annot.read()
+
+                        yield idx, {
+                            "image": {"path": path_img, "bytes": bytes_img},
+                            "annotation": {"path": path_annot, "bytes": bytes_annot},
+                        }
+                        idx += 1