code: def test_convolve1d_2d():
      f = np.arange(64 * 4).reshape((16, -1))
      n = np.array([[0.5, 1.0, 0.5], [0.0, 2.0, 0.0]])
      with pytest.raises(ValueError):
          convolve1d(f, n, 0)
  
imports: import numpy
  import mahotas
  import mahotas.convolve
  import mahotas
  from mahotas.convolve import convolve1d, gaussian_filter
  import mahotas._filters
  from mahotas.tests.utils import luispedro_jpg
  import pytest
label_desc: Use image node_id 5 for calling a global function with example usage: test_convolve1d_2d() without return types