code: def check(
      self, data: Sequence[Sequence], rows: int, cols: int
  ) -> None:
      check_keypoints(data, rows, cols)
  
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 6 for calling the KeypointsProcessor obj's underlying member method code with example usage: obj.check(data, rows, cols) without return types