code: def shape():
      return (3, 5)
  
file_path: coach/rl_coach/tests/test_global_variable_saver.py
imports: import random
  import pickle
  import pytest
  import tensorflow
  import numpy
  from rl_coach.architectures.tensorflow_components.savers import GlobalVariableSaver
label_desc: Use image node_id 4 for calling a global function with example usage: shape() and returns: int,  int