code: def test_simple_function(self):
      fn_has_kwargs = lambda **x: x
      self.assertTrue(function_utils.has_kwargs(fn_has_kwargs))
  
      fn_has_no_kwargs = lambda x: x
      self.assertFalse(function_utils.has_kwargs(fn_has_no_kwargs))
  
imports: import functools
  from tensorflow.python.platform import test
  from tensorflow.python.util import function_utils
label_desc: Use image node_id 1 for calling the HasKwargsTest obj's underlying member method code with example usage: obj.test_simple_function() without return types