code: def test_default_weights():
      file_path = get_fnames("evac_test_data")
      input_arr = np.load(file_path)["input"][0]
      output_arr = np.load(file_path)["output"][0]
  
      evac_model = EVACPlus()
      results_arr = evac_model.predict(
          input_arr, np.eye(4), return_prob=True
      )
      npt.assert_almost_equal(results_arr, output_arr, decimal=4)
  
file_path: dipy/dipy/nn/tests/test_evac.py
imports: import pytest
  import numpy
  import numpy.testing
  from dipy.data import get_fnames
  from dipy.utils.optpkg import optional_package
label_desc: Use image node_id 1 for calling a global function with example usage: test_default_weights() without return types