code: def test_func_load_with_closure(self):
      def outer_fn(x):
          def inner_fn(y):
              return x + y
  
          return inner_fn
  
      func_with_closure = outer_fn(10)
      serialized = python_utils.func_dump(func_with_closure)
      deserialized = python_utils.func_load(serialized)
      self.assertEqual(deserialized(5), 15)
  
file_path: keras/keras/utils/python_utils_test.py
imports: import base64
  import marshal
  from keras import testing
  from keras.utils import python_utils
label_desc: Use image node_id 6 for calling the PythonUtilsTest obj's underlying member method code with example usage: obj.test_func_load_with_closure() and returns: inner_fn, unknown