Update anime-segmentation.py

anime-segmentation.py

@@ -1,13 +1,13 @@
 import os
 import datasets
-import PIL
-from datasets import DownloadManager, DatasetInfo, load_dataset
+from datasets import DownloadManager, DatasetInfo
 
 _DESCRIPTION = """\
 A segmentation dataset for anime character
 """
 _HOMEPAGE = "https://huggingface.co/datasets/skytnt/anime-segmentation"
 _URL_BASE = "https://huggingface.co/datasets/skytnt/anime-segmentation/resolve/main/data/"
+_EXTENSION = [".png", ".jpg"]
 
 
 class AnimeSegmentationConfig(datasets.BuilderConfig):
@@ -61,16 +61,14 @@ class AnimeSegmentation(datasets.GeneratorBasedBuilder):
             for path in dirs:
                 all_fnames = {os.path.relpath(os.path.join(root, fname), start=path)
                               for root, _dirs, files in os.walk(path) for fname in files}
-                image_fnames = sorted(fname for fname in all_fnames
-                                      if os.path.splitext(fname)[1].lower() in PIL.Image.EXTENSION)
+                image_fnames = sorted(fname for fname in all_fnames if os.path.splitext(fname)[1].lower() in _EXTENSION)
                 for image_fname in image_fnames:
                     yield image_fname, {"image": os.path.join(path, image_fname)}
         else:
-            path = dirs[0]
+            path = os.path.join(dirs[0], "imgs")
             all_fnames = {os.path.relpath(os.path.join(root, fname), start=path)
                           for root, _dirs, files in os.walk(path) for fname in files}
-            image_fnames = sorted(fname for fname in all_fnames if fname.startswith(
-                "imgs") and os.path.splitext(fname)[1].lower() in PIL.Image.EXTENSION)
+            image_fnames = sorted(fname for fname in all_fnames if os.path.splitext(fname)[1].lower() in _EXTENSION)
             for image_fname in image_fnames:
                 yield image_fname, {"image": os.path.join(path, image_fname),
                                     "mask": os.path.join(path, image_fname.replace("imgs", "masks"))}