code: def test_warns():
      npt.assert_equal(len(doc5["Warns"]), 1)
      name, _, desc = doc5["Warns"][0]
      npt.assert_equal(name, "SomeWarning")
      npt.assert_equal(desc, ["If needed"])
  
imports: import textwrap
  from dipy.workflows.docstring_parser import NumpyDocString
  import numpy.testing
label_desc: Use image node_id 15 for calling a global function with example usage: test_warns() without return types