class_docstr: Test public coremltools API visibilities.
code: def test_compression_utils(self):
      expected = [
          "affine_quantize_weights",
          "palettize_weights",
          "sparsify_weights",
          "decompress_weights",
      ]
      _check_visible_modules(
          _get_visible_items(ct.compression_utils), expected
      )
  
imports: import coremltools
label_desc: Use image node_id 16 for calling the TestApiVisibilities obj's underlying member method code with example usage: obj.test_compression_utils() without return types