code: def setUp(self):
      self.dir_path = os.path.dirname(os.path.realpath(__file__))
      self.root_path = Path(self.dir_path).parent.parent.absolute()
      with Image.open(
          os.path.join(self.root_path, "doberman.png")
      ) as pil_img:
          self.img = np.array(pil_img)
  
file_path: saliency/saliency/metrics/pic_test.py
imports: import numpy
  import os
  import unittest
  from .None import pic
  from pathlib import Path
  from PIL import Image
label_desc: Use image node_id 1 for calling the PicTest obj's underlying member method code with example usage: obj.setUp() without return types