Update app.py

disable weights-only mode

app.py

@@ -46,7 +46,7 @@ class Vocab:
 if not os.path.exists(CACHE_FILE):
     raise FileNotFoundError(f"Cache file {CACHE_FILE} not found. Please upload ubuntu_data_cache.pt")
 
-cache = torch.load(CACHE_FILE, map_location="cpu")
+cache = torch.load(CACHE_FILE, map_location="cpu", weights_only=False)
 train_pairs = cache["train"]
 test_pairs  = cache["test"]
 vocab       = cache["vocab"]