code: def load_mnist(train_dir="MNIST-data"):
      return read_data_sets(train_dir)
  
file_path: magenta/magenta/models/latent_transfer/local_mnist.py
imports: import gzip
  import os
  import numpy
  import tensorflow.compat.v1
label_desc: Use image node_id 6 for calling a global function with example usage: load_mnist(train_dir) and returns: read_data_sets