docstr: Set face detector.
  Args:
      face_detector_module (class): module to detect faces.
docstr_tok: ["Set","face","detector",".","Args",":","face_detector_module","(","class",")",":","module","to","detect","faces","."]
code: def set_face_detector_module(self, face_detector_module):
      """
      Set face detector.
      Args:
          face_detector_module (class): module to detect faces.
      """
      self.face_detector = face_detector_module
  
imports: from __future__ import absolute_import
  from __future__ import division
  import argparse
  import ast
  import os
  import numpy
  import paddle
  from paddle.inference import Config
  from paddle.inference import create_predictor
  import paddlehub
  from .data_feed import reader
  from .processor import base64_to_cv2
  from .processor import postprocess
  from paddlehub.module.module import moduleinfo
  from paddlehub.module.module import runnable
  from paddlehub.module.module import serving
label_desc: Use image node_id 3 for calling the PyramidBoxLiteServerMask obj's underlying member method code with example usage: obj.set_face_detector_module(face_detector_module) without return types