class_docstr: Apply image augmentors on an image and a list of coordinates.
  Coordinates must be a Nx2 floating point array, each row is (x, y).
code: def _aug_mapper(self, dp):
      with self._exception_handler.catch():
          img, coords = dp[self._img_index], dp[self._coords_index]
          check_dtype(img)
          validate_coords(coords)
          if self._copy:
              img, coords = copy_mod.deepcopy((img, coords))
          tfms = self.augs.get_transform(img)
          dp[self._img_index] = tfms.apply_image(img)
          dp[self._coords_index] = tfms.apply_coords(coords)
          return dp
  
imports: import copy
  import numpy
  from contextlib import contextmanager
  from ..utils import logger
  from ..utils.argtools import shape2d
  from .base import RNGDataFlow
  from .common import MapData, MapDataComponent
label_desc: Use image node_id 3 for calling the AugmentImageCoordinates obj's underlying member method code with example usage: obj._aug_mapper(dp) and returns: dp