code: def setup_class_sizes():
      size_class0 = np.random.randint(1, 1000)
      size_class1 = np.random.randint(1, 1000)
      return size_class0, size_class1
  
file_path: DESlib/deslib/tests/util/test_datasets.py
imports: import pytest
  import numpy
  from deslib.util.datasets import make_P2
  from deslib.util.datasets import make_banana
  from deslib.util.datasets import make_banana2
  from deslib.util.datasets import make_circle_square
  from deslib.util.datasets import make_xor
label_desc: Use image node_id 1 for calling a global function with example usage: setup_class_sizes() and returns: size_class0,  size_class1