code: def draw_lmk(self, face_image):
      faces = self.insfa.get(face_image, max_num=1)
      if len(faces) == 0:
          return face_image
      return self.insfa.draw_on(face_image, faces)
  
imports: import os, sys, datetime
  import numpy
  import os.path
  import albumentations
  from albumentations.core.transforms_interface import ImageOnlyTransform
  from .face_analysis import FaceAnalysis
  from ..utils import get_model_dir
  from ..thirdparty import face3d
  from ..data import get_image
  from ..utils import DEFAULT_MP_NAME
  import cv2
label_desc: Use image node_id 7 for calling the MaskRenderer obj's underlying member method code with example usage: obj.draw_lmk(face_image) and returns: self, face_image