code: def style_transfer():
      """Image style transfer."""
      cli = FlashCLI(
          StyleTransfer,
          StyleTransferData,
          default_datamodule_builder=from_coco_128,
          default_arguments={
              "trainer.max_epochs": 3,
              "model.style_image": os.path.join(
                  flash.ASSETS_ROOT, "starry_night.jpg"
              ),
          },
          finetune=False,
      )
  
      cli.trainer.save_checkpoint("style_transfer_model.pt")
  
imports: import os
  import flash
  from flash.core.data.utils import download_data
  from flash.core.utilities.flash_cli import FlashCLI
  from flash.image import StyleTransfer, StyleTransferData
label_desc: Use image node_id 2 for calling a global function with example usage: style_transfer() without return types