[BUG] docling not working: Error generating caption: No connection adapters were found for 'data:image/png;base64

[wubin1989]

Description

Chunk size: None, chunk overlap: None
Using reader DoclingReader(converter_=<docling.docume..., figure_friendly_filetypes=['.pdf', '.jpeg..., max_figure_to_caption=100, vlm_endpoint=/openai/deploym...)
Downloading detection model, please wait. This may take several minutes depending upon your network connection.
Downloading recognition model, please wait. This may take several minutes depending upon your network connection.
Error generating caption: No connection adapters were found for 'data:image/png;base64,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

Reproduction steps

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Screenshots

![DESCRIPTION](LINK.png)

Logs

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Additional information

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[wubin1989]

I uploaded a pdf file with a picture drawed by draw.io in it. I got the error above.