code: def _pixel2latent_indices(
      px_row_init, px_row_end, px_col_init, px_col_end
  ):
      """Translates coordinates in pixel space to coordinates in latent space"""
      return (
          px_row_init // 8,
          px_row_end // 8,
          px_col_init // 8,
          px_col_end // 8,
      )
  
imports: import inspect
  from copy import deepcopy
  from enum import Enum
  from typing import List, Optional, Tuple, Union
  import torch
  from tqdm.auto import tqdm
  from diffusers.models import AutoencoderKL, UNet2DConditionModel
  from diffusers.pipeline_utils import DiffusionPipeline
  from diffusers.pipelines.stable_diffusion import StableDiffusionSafetyChecker
  from diffusers.schedulers import DDIMScheduler, LMSDiscreteScheduler, PNDMScheduler
  from diffusers.utils import logging
label_desc: Use image node_id 2 for calling a global function with example usage: _pixel2latent_indices(px_row_init, px_row_end, px_col_init, px_col_end) and returns: unknown,  unknown,  unknown,  unknown