change embed model

app.py

@@ -73,7 +73,7 @@ bm25 = BM25Encoder().load("./updated-traveler.json")
 ##################################################
 
 # Initialize models and retriever
-embed_model = HuggingFaceEmbeddings(model_name="Alibaba-NLP/gte-large-en-v1.5", model_kwargs={"trust_remote_code":True})
+embed_model = HuggingFaceEmbeddings(model_name="jinaai/jina-embeddings-v3", model_kwargs={"trust_remote_code":True})
 retriever = PineconeHybridSearchRetriever(
     embeddings=embed_model, 
     sparse_encoder=bm25,