cannot import name 'Protocol'

[zhu2014yi]

你好，我遇到了如标题的问题，我的库版本是如下，请问我应该如何解决!
Traceback (most recent call last):
File "F:/Python_proj/Robot_transfer_msg/QQMsgTransfer/testRobot.py", line 1, in
from graia.broadcast import Broadcast
File "D:\ProgramData\Anaconda3\envs\robot\lib\site-packages\graia\broadcast_init_.py", line 8, in
from .builtin.event import ExceptionThrowed
File "D:\ProgramData\Anaconda3\envs\robot\lib\site-packages\graia\broadcast\builtin\event.py", line 4, in
from ..entities.event import Dispatchable
File "D:\ProgramData\Anaconda3\envs\robot\lib\site-packages\graia\broadcast\entities\event.py", line 2, in
from typing import TYPE_CHECKING, Any, Protocol, Tuple, TypeVar, Union
ImportError: cannot import name 'Protocol'
image

[zhu2014yi]

下面是我的库的版本
packages in environment at D:\ProgramData\Anaconda3\envs\robot:
Name Version Build Channel
aiohttp 3.7.4.post0 pypi_0 pypi
async-timeout 3.0.1 pypi_0 pypi
attrs 21.2.0 pypi_0 pypi
certifi 2021.5.30 py36haa95532_0
chardet 4.0.0 pypi_0 pypi
charset-normalizer 2.0.2 pypi_0 pypi
contextvars 2.4 pypi_0 pypi
dataclasses 0.8 pypi_0 pypi
graia-application-mirai 0.20.1 pypi_0 pypi
graia-broadcast 0.11.3 pypi_0 pypi
idna 3.2 pypi_0 pypi
idna-ssl 1.1.0 pypi_0 pypi
immutables 0.15 pypi_0 pypi
multidict 5.1.0 pypi_0 pypi
pip 21.1.3 py36haa95532_0
pydantic 1.8.2 pypi_0 pypi
python 3.6.13 h3758d61_0
regex 2020.11.13 pypi_0 pypi
requests 2.26.0 pypi_0 pypi
setuptools 52.0.0 py36haa95532_0
sqlite 3.36.0 h2bbff1b_0
typing-extensions 3.10.0.0 pypi_0 pypi
urllib3 1.26.6 pypi_0 pypi
vc 14.2 h21ff451_1
vs2015_runtime 14.27.29016 h5e58377_2
wheel 0.36.2 pyhd3eb1b0_0
wincertstore 0.2 py36h7fe50ca_0
yarl 1.6.3 pypi_0 pypi

[zhu2014yi]

已解决，版本不匹配，退回graia-application-maria==0.19版本就OK了