fix: fix ollama embeddings (#2264)

letta/embeddings.py

@@ -234,16 +234,10 @@ def embedding_model(config: EmbeddingConfig, user_id: Optional[uuid.UUID] = None
         )
     elif endpoint_type == "ollama":
 
-        from llama_index.embeddings.ollama import OllamaEmbedding
-
-        ollama_additional_kwargs = {}
-        callback_manager = None
-
-        model = OllamaEmbedding(
-            model_name=config.embedding_model,
+        model = OllamaEmbeddings(
+            model=config.embedding_model,
             base_url=config.embedding_endpoint,
-            ollama_additional_kwargs=ollama_additional_kwargs or {},
-            callback_manager=callback_manager or None,
+            ollama_additional_kwargs={},
         )
         return model