code: def add_attribute(self, key: str, value: Any) -> None:
      if self.attributes is None:
          self.attributes = {}
      self.attributes[key] = value
  
imports: import dataclasses
  import hashlib
  import json
  import typing
  from dataclasses import dataclass, field
  from enum import Enum
  from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
  import wandb
  import wandb.data_types
  from wandb.sdk.data_types import _dtypes
  from wandb.sdk.data_types.base_types.media import Media
label_desc: Use image node_id 1 for calling the Span obj's underlying member method code with example usage: obj.add_attribute(key, value) without return types