code: def test_via_decorator_no_product(self, numeral_type):
      self.assertIn(numeral_type, (float, int))
  
imports: import numpy
  from absl.testing import parameterized
  from keras.testing import test_case
  from keras.testing import test_utils
label_desc: Use image node_id 4 for calling the NamedProductTest obj's underlying member method code with example usage: obj.test_via_decorator_no_product(numeral_type) without return types