code: def test_xception_deserialize_to_xception():
      serialized_block = blocks.serialize(blocks.XceptionBlock())
  
      block = blocks.deserialize(serialized_block)
  
      assert isinstance(block, blocks.XceptionBlock)
  
imports: import keras_tuner
  import pytest
  import tensorflow
  from tensorflow import keras
  from tensorflow import nest
  from autokeras import blocks
  from autokeras import test_utils
label_desc: Use image node_id 15 for calling a global function with example usage: test_xception_deserialize_to_xception() without return types