code: def apply_coords(self, coords):
      import imgaug as IA
  
      points = [IA.Keypoint(x=x, y=y) for x, y in coords]
      points = IA.KeypointsOnImage(points, shape=self.img_shape)
      augmented = self.aug.augment_keypoints([points])[0].keypoints
      return np.asarray([[p.x, p.y] for p in augmented])
  
file_path: tensorpack/tensorpack/dataflow/imgaug/external.py
imports: import numpy
  from .base import ImageAugmentor
  from .transform import Transform
label_desc: Use image node_id 3 for calling the IAATransform obj's underlying member method code with example usage: obj.apply_coords(coords) and returns: np