code: def test_matrix_from_list_with_invalid_rows():
      with raises(ValueError):
          matrix([[0, 1, 2], [3, 4], [5, 6, 7]])
  
file_path: dlib/tools/python/test/test_matrix.py
imports: from dlib import matrix
  from pytest import raises
label_desc: Use image node_id 3 for calling a global function with example usage: test_matrix_from_list_with_invalid_rows() without return types