code: def unpack_bz2(src_path):
      data = bz2.BZ2File(src_path).read()
      dst_path = src_path[:-4]
      with open(dst_path, "wb") as fp:
          fp.write(data)
      return dst_path
  
imports: import PIL.Image
  from skimage.morphology import binary_dilation, disk
  from skimage.filters import gaussian
  from scipy.interpolate import NearestNDInterpolator
  import cv2
  from utils.shading import lambertian_shading
  from menpo3d.rasterize import rasterize_mesh
  from menpo.shape import TriMesh, TexturedTriMesh, ColouredTriMesh
  from menpo.image import Image
  from utils.image_rasterization import *
  import menpo.io
  import os
  from keras.utils import get_file
  import bz2
label_desc: Use image node_id 10 for calling a global function with example usage: unpack_bz2(src_path) and returns: dst_path