code: def add_file(file_path: str):
      if not Wandb.IS_ACTIVE:
          raise RuntimeError("wandb is inactive, please launch first.")
      import wandb
  
      filename = os.path.basename(file_path)
      shutil.copyfile(file_path, os.path.join(wandb.run.dir, filename))
  
file_path: torch-points3d/torch_points3d/utils/wandb_utils.py
imports: import shutil
  import os
  import subprocess
label_desc: Use image node_id 4 for calling the Wandb obj's underlying member method code with example usage: obj.add_file(file_path) without return types