code: def test_nmi_different_sizes():
      assert (
          normalized_mutual_information(cam[:, :400], cam[:400, :]) > 1
      )
  
file_path: scikit-image/skimage/metrics/tests/test_simple_metrics.py
imports: import numpy
  import pytest
  from numpy.testing import assert_equal, assert_almost_equal
  from skimage import data
  from skimage._shared._warnings import expected_warnings
  from skimage.metrics import peak_signal_noise_ratio, normalized_root_mse, mean_squared_error, normalized_mutual_information
label_desc: Use image node_id 8 for calling a global function with example usage: test_nmi_different_sizes() without return types