code: def __getitem__(self, idx):
      return np.array([self.data] * self.batch_size), np.array(
          [self.label] * self.batch_size
      )
  
file_path: determined/harness/tests/experiment/fixtures/ancient-checkpoints/0.17.7-keras/code/model_def.py
imports: import numpy
  import tensorflow
  from tensorflow.keras.layers import Dense
  from tensorflow.keras.losses import mean_squared_error
  from tensorflow.keras.models import Sequential
  from tensorflow.keras.optimizers.legacy import SGD
  from tensorflow.keras.utils import Sequence
  from determined.keras import TFKerasTrial
label_desc: Use image node_id 3 for calling the MySequence obj's underlying member method code with example usage: obj.__getitem__(idx) and returns: np,  np