old_contents: from data_util import DataManager
  import sys
  import data_util
  import numpy as np
  sys.path.append("../")
  # DataInstance = DataManager("../../data/train", "../../data/test", 128)
  # batch_input, batch_output, is_epoch_increase = DataInstance.get_batch()
  # print (np.shape(batch_input))
  data_util.save_to_disk("../../data/train", "../../data/test")
  
new_contents: import sys
  import numpy as np
  
  sys.path.append("../")
  import data_util
  
  # DataInstance = DataManager("../../data/train", "../../data/test", 128)
  # batch_input, batch_output, is_epoch_increase = DataInstance.get_batch()
  # print (np.shape(batch_input))
  data_util.save_to_disk("../../data/train", "../../data/test")
  
subject: Fix a bug on loding module