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add post init for safty checker #12794

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Merged
sayakpaul merged 4 commits into from
Dec 8, 2025
Merged

add post init for safty checker #12794

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0961a03
add post init for safty checker
jiqing-feng Dec 5, 2025
b026e0e
Merge branch 'main' into post
jiqing-feng Dec 8, 2025
80df03d
check transformers version before post init
jiqing-feng Dec 8, 2025
312e0fb
Apply style fixes
github-actions[bot] Dec 8, 2025
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5 changes: 4 additions & 1 deletion src/diffusers/pipelines/stable_diffusion/safety_checker.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@
import torch.nn as nn
from transformers import CLIPConfig, CLIPVisionModel, PreTrainedModel

from ...utils import logging
from ...utils import is_transformers_version, logging


logger = logging.get_logger(__name__)
Expand Down Expand Up @@ -46,6 +46,9 @@ def __init__(self, config: CLIPConfig):

self.concept_embeds_weights = nn.Parameter(torch.ones(17), requires_grad=False)
self.special_care_embeds_weights = nn.Parameter(torch.ones(3), requires_grad=False)
# Model requires post_init after transformers v4.57.3
if is_transformers_version(">", "4.57.3"):
self.post_init()

@torch.no_grad()
def forward(self, clip_input, images):
Expand Down