docstr: Returns number of categories
docstr_tok: ["Returns","number","of","categories"]
code: def num_categories(self):
      """
      Returns number of categories
      """
      return 80
  
file_path: sahi/sahi/models/yolov5sparse.py
imports: import logging
  from typing import Any, Dict, List, Optional
  import numpy
  from sahi.models.base import DetectionModel
  from sahi.prediction import ObjectPrediction
  from sahi.utils.compatibility import fix_full_shape_list, fix_shift_amount_list
  from sahi.utils.import_utils import check_package_minimum_version, check_requirements
label_desc: Use image node_id 5 for calling the Yolov5SparseDetectionModel obj's underlying member method code with example usage: obj.num_categories() and returns: int