code: def test_func_load_valid_encoded_code(self):
      def another_simple_function(x):
          return x * 2
  
      raw_data = marshal.dumps(another_simple_function.__code__)
      valid_encoded_code = base64.b64encode(raw_data).decode("utf-8")
  
      try:
          python_utils.func_load(valid_encoded_code)
      except (UnicodeEncodeError, ValueError):
          self.fail(
              "Expected no error for valid code, but got an error."
          )
  
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 10 for calling the PythonUtilsTest obj's underlying member method code with example usage: obj.test_func_load_valid_encoded_code() and returns: unknown