Update app.py

app.py

@@ -187,6 +187,8 @@ def load_models_and_documents():
         )
 
         dense_model = SentenceTransformer("mixedbread-ai/mxbai-embed-large-v1", device="cuda", truncate_dim=512)
+
+        provider = ['CUDAExecutionProvider']
         
         sparse_model = SparseTextEmbedding(
             'prithivida/Splade_PP_en_v2',