code: def atts_half():
      return {"a": np.array([-1, 1, 1]), "b": np.array([0, 0, 2])}
  
file_path: Quantus/tests/functions/test_loss_func.py
imports: from typing import Union
  import pytest
  from pytest_lazyfixture import lazy_fixture
  from quantus.functions.loss_func import *
label_desc: Use image node_id 1 for calling a global function with example usage: atts_half() and returns: dict