code: def __init__(
      self,
      params: KeypointParams,
      additional_targets: Optional[Dict[str, str]] = None,
  ):
      super().__init__(params, additional_targets)
  
imports: from __future__ import division
  import math
  import typing
  import warnings
  from typing import Any, Dict, List, Optional, Sequence, Tuple
  from .utils import DataProcessor, Params
label_desc: Use image node_id 1 to create a new KeypointsProcessor object from inherited base classes: DataProcessor with example: obj = KeypointsProcessor(params, additional_targets)