code: def test_sanity():
      data = hopper().getdata()
  
      len(data)
      list(data)
  
      assert data[0] == (20, 20, 70)
  
imports: from __future__ import annotations
  from PIL import Image
  from .helper import hopper
label_desc: Use image node_id 1 for calling a global function with example usage: test_sanity() without return types