code: def test_sort_viewer_load(self):
      viewer = PerspectiveViewer(sort=[["a", Sort.COL_ASC_ABS]])
      assert viewer.sort == [["a", "col asc abs"]]
  
file_path: perspective/python/perspective/perspective/tests/core/test_sort.py
imports: from pytest import raises
  from perspective import PerspectiveError, PerspectiveViewer, PerspectiveWidget, Sort
label_desc: Use image node_id 7 for calling the TestSort obj's underlying member method code with example usage: obj.test_sort_viewer_load() without return types