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[WIP] Check UNet shapes in StableDiffusionInpaintPipeline __init__ #2853

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Merged
patrickvonplaten merged 1 commit into from
Mar 28, 2023
+8 −0
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[WIP] Check UNet shapes in StableDiffusionInpaintPipeline __init__ #2853

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8 changes: 8 additions & 0 deletions src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_inpaint.py
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Original file line number Diff line number Diff line change
Expand Up @@ -243,6 +243,14 @@ def __init__(
new_config = dict(unet.config)
new_config["sample_size"] = 64
unet._internal_dict = FrozenDict(new_config)
# Check shapes, assume num_channels_latents == 4, num_channels_mask == 1, num_channels_masked == 4
if unet.config.in_channels != 9:
logger.warning(
f"You have loaded a UNet with {unet.config.in_channels} input channels, whereas by default,"
f" {self.__class__} assumes that `pipeline.unet` has 9 input channels: 4 for `num_channels_latents`,"
" 1 for `num_channels_mask`, and 4 for `num_channels_masked_image`. If you did not intend to modify"
" this behavior, please check whether you have loaded the right checkpoint."
)

self.register_modules(
vae=vae,
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