class_docstr: Class that generates one or more sprite atlases.
class_docstr_tok: ["Class","that","generates","one","or","more","sprite","atlases","."]
code: def _validate_inputs(self):
      if len(self._img_src_paths) != self._num_input_images:
          raise ValueError(
              "Number of elements in image list is different from "
              "number of elements in src paths list."
          )
      for img_with_status in self._images_with_statuses:
          img = img_with_status[0]
          if img is not None and img.size != self._img_width_height_px:
              raise ValueError(
                  "Input images are not all the same size."
              )
  
imports: import math
  import os
  from absl import logging
  from PIL import Image
label_desc: Use image node_id 3 for calling the SpriteAtlasGenerator obj's underlying member method code with example usage: obj._validate_inputs() without return types