code: def test_script(self):
      for use_softmax in [True, False]:
          loss = FocalLoss(use_softmax=use_softmax)
          test_input = torch.ones(2, 2, 8, 8)
          test_script_save(loss, test_input, test_input)
  
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  import torch.nn
  import torch.nn.functional
  from parameterized import parameterized
  from monai.losses import FocalLoss
  from monai.networks import one_hot
  from tests.utils import test_script_save
label_desc: Use image node_id 16 for calling the TestFocalLoss obj's underlying member method code with example usage: obj.test_script() without return types