Originally created by @yuchenxie4645 on GitHub (Mar 24, 2025).
Check Existing Issues
I have searched the existing issues and discussions.
I am using the latest version of Open WebUI.
Installation Method
Docker
Open WebUI Version
V0.5.20
Ollama Version (if applicable)
v0.6.3
Operating System
Ubuntu 24.04
Browser (if applicable)
Chrome
Confirmation
I have read and followed all instructions in README.md.
I am using the latest version of both Open WebUI and Ollama.
I have included the browser console logs.
I have included the Docker container logs.
I have listed steps to reproduce the bug in detail.
Expected Behavior
It should've outputted something when I attached a photo and not Error: expected string or bytes-like object, got 'list'. The code interpreter should've worked but instead hangs after finishing coding the analysis.
Actual Behavior
Received this error when attaching ANY photos to ANY VLM: Error: expected string or bytes-like object, got 'list' in both Ollama AND VLLM. Code interpreter hangs.
Steps to Reproduce
For vision:
Upload any screenshot.
Hit generate
Error
For Interpreter:
Ask a math question like 25*93
Attempts to solve it
Writes the code for the analysis
Hangs.
Logs & Screenshots
I do not have a ss for interpreter
Additional Information
No response
Originally created by @yuchenxie4645 on GitHub (Mar 24, 2025).
### Check Existing Issues
- [x] I have searched the existing issues and discussions.
- [x] I am using the latest version of Open WebUI.
### Installation Method
Docker
### Open WebUI Version
V0.5.20
### Ollama Version (if applicable)
v0.6.3
### Operating System
Ubuntu 24.04
### Browser (if applicable)
Chrome
### Confirmation
- [x] I have read and followed all instructions in `README.md`.
- [x] I am using the latest version of **both** Open WebUI and Ollama.
- [ ] I have included the browser console logs.
- [ ] I have included the Docker container logs.
- [x] I have listed steps to reproduce the bug in detail.
### Expected Behavior
It should've outputted something when I attached a photo and not Error: expected string or bytes-like object, got 'list'. The code interpreter should've worked but instead hangs after finishing coding the analysis.
### Actual Behavior
Received this error when attaching ANY photos to ANY VLM: Error: expected string or bytes-like object, got 'list' in both Ollama AND VLLM. Code interpreter hangs.
### Steps to Reproduce
For vision:
1. Upload any screenshot.
2. Hit generate
3. Error
---
For Interpreter:
1. Ask a math question like 25*93
2. Attempts to solve it
3. Writes the code for the analysis
4. Hangs.
### Logs & Screenshots
<img width="658" alt="Image" src="https://github.com/user-attachments/assets/dae39a81-91c4-4eeb-b3aa-19d35f35b2f8" />
I do not have a ss for interpreter
### Additional Information
_No response_
GiteaMirror
added the bug label 2025-11-11 15:56:34 -06:00
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Originally created by @yuchenxie4645 on GitHub (Mar 24, 2025).
Check Existing Issues
Installation Method
Docker
Open WebUI Version
V0.5.20
Ollama Version (if applicable)
v0.6.3
Operating System
Ubuntu 24.04
Browser (if applicable)
Chrome
Confirmation
README.md.Expected Behavior
It should've outputted something when I attached a photo and not Error: expected string or bytes-like object, got 'list'. The code interpreter should've worked but instead hangs after finishing coding the analysis.
Actual Behavior
Received this error when attaching ANY photos to ANY VLM: Error: expected string or bytes-like object, got 'list' in both Ollama AND VLLM. Code interpreter hangs.
Steps to Reproduce
For vision:
For Interpreter:
Logs & Screenshots
I do not have a ss for interpreter
Additional Information
No response