code: def test_binary_relational_vector(self):
      im = pyvips.Image.black(16, 16, bands=3) + [100, 128, 130]
  
      assert (im > [100, 128, 130]).avg() == 0
      assert (im >= [100, 128, 130]).avg() == 255
      assert (im < [100, 128, 130]).avg() == 0
      assert (im <= [100, 128, 130]).avg() == 255
      assert (im == [100, 128, 130]).avg() == 255
      assert (im != [100, 128, 130]).avg() == 0
  
file_path: pyvips/tests/test_constants.py
imports: import pyvips
label_desc: Use image node_id 9 for calling the TestConstants obj's underlying member method code with example usage: obj.test_binary_relational_vector() without return types