code: def __init__(
      self, artifact: "Artifact", name: Optional[str] = None
  ) -> None:
      self.artifact = artifact
      self.name = name
  
imports: from typing import TYPE_CHECKING, Any, ClassVar, Dict, List, Optional, Type, Union
  from wandb import util
label_desc: Use image node_id 1 to create a new _WBValueArtifactSource object  with example: obj = _WBValueArtifactSource(artifact, name)