Update app.py

app.py

@@ -22,7 +22,7 @@ with zipfile.ZipFile('./chroma_db/faiss_db_ray.zip', 'r') as zip_ref:
  zip_ref.extractall('./chroma_db/')
 
 FAISS_INDEX_PATH='./chroma_db/faiss_db_ray'
-embeddings = HuggingFaceEmbeddings("multi-qa-mpnet-base-dot-v1")
+embeddings = HuggingFaceHubEmbeddings("multi-qa-mpnet-base-dot-v1")
 db = FAISS.load_local(FAISS_INDEX_PATH, embeddings)
 retriever = db.as_retriever(search_type = "mmr")