code: def test_from_nested_components(self):
      obj_inner = DocstringComponents(EXAMPLE_DICT)
      obj_outer = DocstringComponents.from_nested_components(
          inner=obj_inner
      )
      assert (
          obj_outer.inner.param_a == "a : str\n    The first parameter."
      )
  
file_path: seaborn/tests/test_docstrings.py
imports: from seaborn._docstrings import DocstringComponents
label_desc: Use image node_id 2 for calling the TestDocstringComponents obj's underlying member method code with example usage: obj.test_from_nested_components() without return types