code: def test_SimplePatchShadow_offset():
      pe = path_effects.SimplePatchShadow(offset=(4, 5))
      assert pe._offset == (4, 5)
  
file_path: matplotlib/lib/matplotlib/tests/test_patheffects.py
imports: import numpy
  from matplotlib.testing.decorators import image_comparison
  import matplotlib.pyplot
  import matplotlib.patheffects
  from matplotlib.path import Path
  import matplotlib.patches
label_desc: Use image node_id 6 for calling a global function with example usage: test_SimplePatchShadow_offset() without return types