code: def deskew(self):
      try:
          self.image, self.theta_est = process_skewed_crop(self.image)
          return self.image
      except Exception as e:
          self.err = e
          self.healthy = False
  
imports: import os
  import traceback
  import sys
  import cv2
  import numpy
  from PIL import Image
  from scipy.ndimage.filters import rank_filter
  import pytesseract
label_desc: Use image node_id 3 for calling the Page obj's underlying member method code with example usage: obj.deskew() and returns: self