[LevelUp] Can't load: Sentinel import issue

[vrozaksen]

Describe the bug

[2025-12-20 17:33:46] [ERROR] red: Package loading failed
Traceback (most recent call last):
File "/data/venv/lib/python3.11/site-packages/redbot/core/core_commands.py", line 189, in _load
await bot.load_extension(spec)
File "/data/venv/lib/python3.11/site-packages/redbot/core/bot.py", line 1708, in load_extension
lib = spec.loader.load_module()
^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 605, in _check_name_wrapper
File "", line 1120, in load_module
File "", line 945, in load_module
File "", line 290, in _load_module_shim
File "", line 721, in _load
File "", line 690, in _load_unlocked
File "", line 940, in exec_module
File "", line 241, in _call_with_frames_removed
File "/data/cogs/CogManager/cogs/levelup/init.py", line 4, in
from .main import LevelUp
File "/data/cogs/CogManager/cogs/levelup/main.py", line 36, in
from pydantic import ValidationError
File "/data/venv/lib/python3.11/site-packages/pydantic/init.py", line 5, in
from ._migration import getattr_migration
File "/data/venv/lib/python3.11/site-packages/pydantic/_migration.py", line 4, in
from pydantic.warnings import PydanticDeprecatedSince20
File "/data/venv/lib/python3.11/site-packages/pydantic/warnings.py", line 5, in
from .version import version_short
File "/data/venv/lib/python3.11/site-packages/pydantic/version.py", line 7, in
from pydantic_core import version as pydantic_core_version
File "/data/venv/lib/python3.11/site-packages/pydantic_core/init.py", line 6, in
from typing_extensions import Sentinel
ImportError: cannot import name 'Sentinel' from 'typing_extensions' (/data/venv/lib/python3.11/site-packages/typing_extensions.py)

Cog Version*
latest?

To Reproduce
Steps to reproduce the behavior:

.load levelup

Expected behavior
It works.

Screenshots

Additional context
Redbot from pylav 3.5.22