Update CC6204-Hackaton-Cub-Dataset.py

CC6204-Hackaton-Cub-Dataset.py

@@ -53,14 +53,16 @@ for row in imgpath_to_ids:
     
 # Create TRAIN_IDX_SET
 train_test_split = get(_URLS["train_test_split"]).iter_lines()
-_TRAIN_IDX_SET = set()
+_TRAIN_IDX_SET = []
 for row in train_test_split:
    row = row.decode("UTF8")
    if row != "":
       idx, train_bool = row.split(" ")
       # 1: train, 0: test
       if train_bool == "1":
-         _TRAIN_IDX_SET.add([idx])
+         _TRAIN_IDX_SET.append(idx)
+         
+_TRAIN_IDX_SET = set(_TRAIN_IDX_SET)
 
 
 class CubDataset(datasets.GeneratorBasedBuilder):