cannot import ipykernel debugger in Pycharm debug mode

[eastonsuo]

when execute

import debugpy
from ipykernel.debugger import Debugger

in pycharm debug mode, result in ImportError: cannot import name 'pydevd_defaults' from '_pydevd_bundle'

and an more specfic notice is :

/Users/suoyi/miniforge3/envs/aicoder/lib/python3.9/site-packages/debugpy/_vendored/force_pydevd.py:20: UserWarning: incompatible copy of pydevd already imported