Update tied weights keys

modeling_florence2.py

@@ -2523,6 +2523,8 @@ class Florence2VisionModelWithProjection(Florence2PreTrainedModel):
     FLORENCE2_START_DOCSTRING,
 )
 class Florence2ForConditionalGeneration(Florence2PreTrainedModel):
+    _tied_weights_keys = ["language_model.encoder.embed_tokens.weight", "language_model.decoder.embed_tokens.weight", "language_model.lm_head.weight"]
+
     def __init__(self, config: Florence2Config):
         super().__init__(config)
         assert config.vision_config.model_type == 'davit', 'only DaViT is supported for now'
@@ -2537,8 +2539,6 @@ class Florence2ForConditionalGeneration(Florence2PreTrainedModel):
 
         language_model = Florence2LanguageForConditionalGeneration(config=config.text_config)
 
-        if language_model._tied_weights_keys is not None:
-            self._tied_weights_keys = [f"language_model.{k}" for k in language_model._tied_weights_keys]
         self.language_model = language_model
 
         self.pad_token_id = self.config.pad_token_id if self.config.pad_token_id is not None else -1