Update CLEVR-Sudoku.py

CLEVR-Sudoku.py

@@ -65,7 +65,8 @@ class CLEVRSudoku(datasets.GeneratorBasedBuilder):
             features=datasets.Features(
                 {
                     # TODO: Add features
-                    "sudoku": datasets.Array2D(shape=(9, 9), dtype=datasets.Image()),
+                    # "sudoku": datasets.Array2D(shape=(9, 9), dtype=datasets.Image()),
+                    "sudoku": datasets.Sequence(datasets.Sequence(datasets.Image()),
                     # "options": datasets.Array2D(shape=(9, 10), dtype=datasets.Image()),
                     # # attributes as dict of features
                     # "attributes": {