code: def test_eagle():
      """Test that "eagle" image can be loaded."""
      # Fetching the data through the testing module will
      # cause the test to skip if pooch isn't installed.
      fetch("data/eagle.png")
      eagle = data.eagle()
      assert_equal(eagle.ndim, 2)
      assert_equal(eagle.dtype, np.dtype("uint8"))
  
imports: import numpy
  import skimage.data
  from skimage.data._fetchers import _image_fetcher
  from skimage import io
  from skimage._shared.testing import assert_equal, assert_almost_equal, fetch
  import os
  import pytest
label_desc: Use image node_id 8 for calling a global function with example usage: test_eagle() without return types