change init model to use cpu

app.py

@@ -43,7 +43,7 @@ print("load embeddings")
 embedding_model = HuggingFaceEmbeddings(
     model_name="intfloat/e5-base-v2",
     # multi_process=True,
-    model_kwargs={"device": "cuda"},  # use cuda for faster embeddings on nbidia GPUs
+    model_kwargs={"device": "cpu"},  # use cuda for faster embeddings on nbidia GPUs
     encode_kwargs={"normalize_embeddings": True},  # Set `True` for cosine similarity
 )
 print("load vector store")