code: def load_models(self, _):
      return get_realesrgan_models(self)
  
file_path: stable-diffusion-webui/modules/realesrgan_model.py
imports: import os
  import numpy
  from PIL import Image
  from realesrgan import RealESRGANer
  from modules.upscaler import Upscaler, UpscalerData
  from modules.shared import cmd_opts, opts
  from modules import modelloader, errors
label_desc: Use image node_id 4 for calling the UpscalerRealESRGAN obj's underlying member method code with example usage: obj.load_models(_) and returns: get_realesrgan_models