python demo_toolbox.py 运行这个报错

[tts2]

Summary[问题简述（一句话）]
A clear and concise description of what the issue is.
python demo_toolbox.py 运行这个报错
Env & To Reproduce[复现与环境]
描述你用的环境、代码版本、模型
版本:master
系统:windows 10
python:canda
Screenshots[截图（如有）]
If applicable, add screenshots to help

[tts2]

(MockingBird) E:\sjy\python\Project\MockingBird-main>python demo_toolbox.py
Traceback (most recent call last):
File "E:\sjy\python\Project\MockingBird-main\demo_toolbox.py", line 2, in
from control.toolbox import Toolbox
File "E:\sjy\python\Project\MockingBird-main\control\toolbox_init_.py", line 1, in
from control.toolbox.ui import UI
File "E:\sjy\python\Project\MockingBird-main\control\toolbox\ui.py", line 4, in
import matplotlib.pyplot as plt
File "C:\Users\tts4.conda\envs\MockingBird\lib\site-packages\matplotlib_init_.py", line 113, in
from . import _api, _version, cbook, _docstring, rcsetup
File "C:\Users\tts4.conda\envs\MockingBird\lib\site-packages\matplotlib\rcsetup.py", line 27, in
from matplotlib.colors import Colormap, is_color_like
File "C:\Users\tts4.conda\envs\MockingBird\lib\site-packages\matplotlib\colors.py", line 51, in
from PIL import Image
File "C:\Users\tts4.conda\envs\MockingBird\lib\site-packages\PIL\Image.py", line 68, in
from .typing import StrOrBytesPath, TypeGuard
File "C:\Users\tts4.conda\envs\MockingBird\lib\site-packages\PIL_typing.py", line 8, in
import numpy.typing as npt
File "C:\Users\tts4.conda\envs\MockingBird\lib\site-packages\numpy\typing_init.py", line 158, in
from numpy.typing import (
File "C:\Users\tts4.conda\envs\MockingBird\lib\site-packages\numpy_typing_init.py", line 148, in
from ._scalars import (
File "C:\Users\tts4.conda\envs\MockingBird\lib\site-packages\numpy_typing_scalars.py", line 13, in
_UIntLike_co = Union[_BoolLike_co, np.unsignedinteger[Any]]
TypeError: 'type' object is not subscriptable

(MockingBird) E:\sjy\python\Project\MockingBird-main>