code: def load_model(self, path):
      for scaler in self.scalers:
          if scaler.data_path == path:
              if scaler.local_data_path.startswith("http"):
                  scaler.local_data_path = (
                      modelloader.load_file_from_url(
                          scaler.data_path,
                          model_dir=self.model_download_path,
                      )
                  )
              if not os.path.exists(scaler.local_data_path):
                  raise FileNotFoundError(
                      f"RealESRGAN data missing: {scaler.local_data_path}"
                  )
              return scaler
      raise ValueError(f"Unable to find model info: {path}")
  
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 3 for calling the UpscalerRealESRGAN obj's underlying member method code with example usage: obj.load_model(path) and returns: scaler