code: def __init__(self):
      self.pretrained_model = os.path.join(
          self.directory, "pd_model/inference_model"
      )
      self.cpu_have_loaded = False
      self.gpu_have_loaded = False
  
file_path: PaddleHub/modules/image/image_processing/seeinthedark/module.py
imports: import os
  import argparse
  import paddle
  import paddlehub
  from paddlehub.module.module import moduleinfo, runnable, serving
  import numpy
  import rawpy
  import cv2
  from .util import base64_to_cv2
label_desc: Use image node_id 1 to create a new LearningToSeeInDark object  with example: obj = LearningToSeeInDark()