Update MagicQuill/brushnet/powerpaint_utils.py

MagicQuill/brushnet/powerpaint_utils.py

@@ -465,8 +465,9 @@ def add_tokens(
 
     # text_encoder.set_embedding_layer()
     embedding_layer = text_encoder.text_model.embeddings.token_embedding
-    text_encoder.text_model.embeddings.token_embedding = EmbeddingLayerWithFixes(embedding_layer)
-    embedding_layer = text_encoder.text_model.embeddings.token_embedding
+    if not isinstance(embedding_layer, EmbeddingLayerWithFixes):
+        text_encoder.text_model.embeddings.token_embedding = EmbeddingLayerWithFixes(embedding_layer)
+        embedding_layer = text_encoder.text_model.embeddings.token_embedding
 
     assert embedding_layer is not None, (
         "Do not support get embedding layer for current text encoder. " "Please check your configuration."