Traceback (most recent call last):


 "/root/.poetry/lib/poetry/_vendor/py3.5/clikit/api/config/application_config.py", line 8, in <module>

from typing import ContextManager
ImportError: cannot import name 'ContextManager'

Traceback (most recent call last):


 "tools/rects_test.py", line 16, in <module>

from mmdet.core import coco_eval, results2json, wrap_fp16_model
ImportError: cannot import name 'coco_eval' from 'mmdet.core' (/home/fangzheng/anaconda3/envs/AET/lib/python3.8/site-packages/mmdet-2.5.0-py3.8.egg/mmdet/core/__init__.py)
