tambah torch_dtype float32 dalam config

config.json

@@ -17,5 +17,6 @@
   "output_past": true,
   "pad_token_id": 0,
   "type_vocab_size": 2,
-  "vocab_size": 32000
+  "vocab_size": 32000,
+  "torch_dtype": "float32"
 }