Fix `ConditionalDetrForSegmentation` doc example
diff --git a/src/transformers/models/conditional_detr/modeling_conditional_detr.py b/src/transformers/models/conditional_detr/modeling_conditional_detr.py
index 6ce8596592707..a0a45b9dd7239 100644
--- a/src/transformers/models/conditional_detr/modeling_conditional_detr.py
+++ b/src/transformers/models/conditional_detr/modeling_conditional_detr.py
@@ -1884,7 +1884,7 @@ def forward(
         ...     ConditionalDetrConfig,
         ...     ConditionalDetrForSegmentation,
         ... )
-        >>> from transformers.models.conditional_detr.feature_extraction_conditional_detr import rgb_to_id
+        >>> from transformers.image_transforms import rgb_to_id
 
         >>> url = "http://images.cocodataset.org/val2017/000000039769.jpg"
         >>> image = Image.open(requests.get(url, stream=True).raw)

# What does this PR do?

Need this change after PR #20160. This was done for `DetrForSegmentation`, but we missed it for `ConditionalDetrForSegmentation`