class_docstr: Tests of PyArray_IntpConverter 
class_docstr_tok: ["Tests","of","PyArray_IntpConverter"]
code: def test_none(self):
      # once the warning expires, this will raise TypeError
      with pytest.warns(DeprecationWarning):
          assert self.conv(None) == ()
  
imports: import re
  import sys
  import pytest
  import numpy
  import numpy.core._multiarray_tests
  from numpy.testing import assert_warns, IS_PYPY
label_desc: Use image node_id 2 for calling the TestIntpConverter obj's underlying member method code with example usage: obj.test_none() without return types