fix: set_id

hand-gesture-recognition-dataset.py

@@ -65,7 +65,7 @@ class HandGestureRecognitionDataset(datasets.GeneratorBasedBuilder):
         files = sorted(files)
         files = [files[i:i + 5] for i in range(0, len(files), 5)]
         for idx, files_set in enumerate(files):
-            set_id = int((files_set[0].split('/'))[-2])
+            set_id = int((files_set[0].split('/'))[2])
             data = {'set_id': set_id}
 
             for file in files_set: