code: def test_raises():
      assert_equal(len(doc5["Raises"]), 1)
      name, _, desc = doc5["Raises"][0]
      assert_equal(name, "LinAlgException")
      assert_equal(desc, ["If array is singular."])
  
imports: import sys, textwrap
  from numpydoc.docscrape import NumpyDocString, FunctionDoc, ClassDoc
  from numpydoc.docscrape_sphinx import SphinxDocString, SphinxClassDoc
  from nose.tools import *
label_desc: Use image node_id 17 for calling a global function with example usage: test_raises() without return types