add cuda and gpu space

classification.py

@@ -133,9 +133,9 @@ def load_data(file_obj):
     # Assuming file_obj is a file-like object uploaded via Gradio, use `pd.read_excel` directly on it
     return pd.read_excel(file_obj)
 
-
+@spaces.GPU
 def initialize_models():
-    model_ST = SentenceTransformer("all-mpnet-base-v2")
+    model_ST = SentenceTransformer("all-mpnet-base-v2",device = "cuda")
     return model_ST