code: def __init__(self):
      super().__init__()
      self.mask_generator = None
      self.initialized = False
  
file_path: serve/examples/large_models/segment_anything_fast/custom_handler.py
imports: import base64
  import io
  import logging
  import pickle
  import cv2
  import numpy
  import torch
  from PIL import Image
  from segment_anything_fast import SamAutomaticMaskGenerator, sam_model_fast_registry
  from ts.handler_utils.timer import timed
  from ts.torch_handler.base_handler import BaseHandler
label_desc: Use image node_id 1 to create a new SegmentAnythingFastHandler object from inherited base classes: BaseHandler with example: obj = SegmentAnythingFastHandler()