Import PositionNet properly from latest diffusers

src/models/unet_2d_condition.py

@@ -20,13 +20,14 @@ from diffusers.models.embeddings import (
     ImageHintTimeEmbedding,
     ImageProjection,
     ImageTimeEmbedding,
-    PositionNet,
+    #PositionNet,
     TextImageProjection,
     TextImageTimeEmbedding,
     TextTimeEmbedding,
     TimestepEmbedding,
     Timesteps,
 )
+from diffusers.models.embeddings import GLIGENTextBoundingboxProjection as PositionNet
 from diffusers.models.modeling_utils import ModelMixin
 from diffusers.utils import (
     USE_PEFT_BACKEND,