cannot import name 'Undefined' from 'pydantic.fields after add the roop extension

[ForLuna1998]

Using cached protobuf-5.27.3-cp310-abi3-win_amd64.whl (426 kB)
Using cached pydantic-2.8.2-py3-none-any.whl (423 kB)
Installing collected packages: protobuf, pydantic
Attempting uninstall: protobuf
Found existing installation: protobuf 3.20.0
Uninstalling protobuf-3.20.0:
Successfully uninstalled protobuf-3.20.0
Attempting uninstall: pydantic
Found existing installation: pydantic 1.10.17
Uninstalling pydantic-1.10.17:
Successfully uninstalled pydantic-1.10.17
Successfully installed protobuf-5.27.3 pydantic-2.8.2
Launching Web UI with arguments:
Traceback (most recent call last):
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\launch.py", line 48, in
main()
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\launch.py", line 44, in main
start()
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\modules\launch_utils.py", line 465, in start
import webui
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\webui.py", line 13, in
initialize.imports()
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\modules\initialize.py", line 23, in imports
import gradio # noqa: F401
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\gradio_init_.py", line 3, in
import gradio.components as components
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\gradio\components_init_.py", line 1, in
from gradio.components.annotated_image import AnnotatedImage
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\gradio\components\annotated_image.py", line 13, in
from gradio.components.base import IOComponent, Keywords
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\gradio\components\base.py", line 20, in
from fastapi import UploadFile
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\fastapi_init.py", line 7, in
from .applications import FastAPI as FastAPI
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\fastapi\applications.py", line 15, in
from fastapi import routing
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\fastapi\routing.py", line 22, in
from fastapi import params
File "C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\fastapi\params.py", line 4, in
from pydantic.fields import FieldInfo, Undefined
ImportError: cannot import name 'Undefined' from 'pydantic.fields' (C:\Users\Long'Min\Desktop\yd\stable-diffusion-webui\venv\lib\site-packages\pydantic\fields.py)

[Comput3rUs3r]

Having the same error. I used to use this extension last year and worked fine. I just tried to use with a new a1111 installation and this is what is happening.

[william20210206]

use Reactor, roop got some thing wrong these days, and for a long time didn't have a update