code: def video_classification():
      """Classify videos."""
      cli = FlashCLI(
          VideoClassifier,
          VideoClassificationData,
          default_datamodule_builder=from_kinetics,
          default_arguments={
              "trainer.max_epochs": 1,
          },
          datamodule_attributes={"num_classes", "labels"},
      )
  
      cli.trainer.save_checkpoint("video_classification.pt")
  
imports: import os
  from flash.core.data.utils import download_data
  from flash.core.utilities.flash_cli import FlashCLI
  from flash.video import VideoClassificationData, VideoClassifier
label_desc: Use image node_id 2 for calling a global function with example usage: video_classification() without return types