The documentation page API/MODELS/&AMP;NUM;DIFFUSERS.UVIT2DMODEL.SET_ATTN_PROCESSOR.PROCESSOR doesn’t exist in v0.29.2, but exists on the main version. Click <a href="/docs/diffusers/main/en/api/models/&amp;num;diffusers.UVit2DModel.set_attn_processor.processor">here</a> to redirect to the main version of the documentation.