code: def mask():
      return np.random.randint(
          low=0, high=2, size=(100, 100), dtype=np.uint8
      )
  
file_path: albumentations/tests/conftest.py
imports: import multiprocessing
  import sys
  import warnings
  import numpy
  import pytest
label_desc: Use image node_id 3 for calling a global function with example usage: mask() and returns: np