Deprecating `Siglip2ImageProcessorFast`

Open Beginner friendly

#14,780 opened on Sep 15, 2026 1 comment 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 1/5
Estimated time: Under an hour
Newbie friendliness: 86/100

Issue type: Bug
Clarity: Clearly specified
Activity status: Active
Tech stack: python
Domain: machine-learning

Research direction

Open src/diffusers/pipelines/z_image/pipeline_z_image_omni.py and inspect the processor references at lines 20 and 156. Replace the deprecated Siglip2ImageProcessorFast usage with Siglip2ImageProcessor, then run the relevant pipeline checks to confirm the deprecation warning is gone.

Written by the indexing model from the issue text.

Description

bug needs-code-example needs-env-info pipelines

The following lines trigger a deprecation warning for the Fast processor.

https://github.com/huggingface/diffusers/blob/759164b7ad116e091e9d3e222211c9aa27d835f6/src/diffusers/pipelines/z_image/pipeline_z_image_omni.py#L20

https://github.com/huggingface/diffusers/blob/759164b7ad116e091e9d3e222211c9aa27d835f6/src/diffusers/pipelines/z_image/pipeline_z_image_omni.py#L156

This is a quick fix and I could take it up if we are up for replacing the Processor with Siglip2ImageProcessor.

Dominant language: Python
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