new_contents: """ This is license
  """
  
  from ctypes import *
  
  class _LandMarks(Structure):
      _fields_ = [('x',c_int*5),('y',c_int*5)]
  
  class _Face(Structure):
      pass
  _Face._fields_ = [
      ('left',c_int),
      ('top',c_int),
      ('right',c_int),
      ('bottom',c_int),
      ('score',c_double),
      ('next',POINTER(_Face))]
  
  class Face(object):
      def __init__(self):
          self.x = 0
          self.y = 0
          self.w = 0
          self.h = 0
          self.landmarks = [(0,0)] * 5
  
  class _Image(Structure):
      _fields_ = [('data', c_void_p),('width',c_int),('height',c_int),('channels',c_int)]
subject: update common.py