code: def test_marker_init_transforms():
      """Test that initializing marker with transform is a simple addition."""
      marker = markers.MarkerStyle("o")
      t = Affine2D().translate(1, 1)
      t_marker = markers.MarkerStyle("o", transform=t)
      assert marker.get_transform() + t == t_marker.get_transform()
  
imports: import numpy
  import matplotlib.pyplot
  from matplotlib import markers
  from matplotlib.path import Path
  from matplotlib.testing.decorators import check_figures_equal
  from matplotlib.transforms import Affine2D
  import pytest
label_desc: Use image node_id 9 for calling a global function with example usage: test_marker_init_transforms() without return types