text: import os
  import torch
  from annolid.utils.config import get_config
  __all__ = ['build_detector']
  
  def build_detector(cfg_file="./configs/yolov3_tiny.yaml",
                     use_cuda=None):
      if use_cuda is None:
          use_cuda = torch.cuda.is_available()
      cfg = get_config(cfg_file)
      yolo_version = 3 if '3' in os.path.basename(cfg_file) else 5
      if yolo_version == 3:
          from .YOLOv3 import YOLOv3
          return YOLOv3(cfg.YOLOV3.CFG,
                        cfg.YOLOV3.WEIGHT,
                        cfg.YOLOV3.CLASS_NAMES,
                        score_thresh=cfg.YOLOV3.SCORE_THRESH,
                        nms_thresh=cfg.YOLOV3.NMS_THRESH,
                        is_xywh=True,
                        use_cuda=use_cuda)
  