lllyasviel / lllyasviel/ControlNet
cannot import name 'Undefined' from 'pydantic.fields' Error
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Description
I can use stable diffusion without any problems. However, whenever I try to install ControlNet, I encounter the error below and can't use the program. I've reinstalled the program from scratch, but it didn't fix the issue. I tried "pip install --upgrade pip" but it didn't work either. Most of the solutions I found online didn't help.
File "C:\Users\AFK\Downloads\sd.webui\system\python\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\AFK\Downloads\sd.webui\system\python\lib\site-packages\pydantic\fields.py)
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the ControlNet installation and inspect the traceback entries system/python/lib/site-packages/fastapi/params.py and pydantic/fields.py. Compare the installed dependency versions and verify that the program starts without the Undefined import error after installation.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- fastapi, python
- Domain
- machine-learning
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100