set do_lower_case to false

tokenizer_config.json

@@ -1,5 +1,5 @@
 {
-    "do_lower_case": true,
+    "do_lower_case": false,
     "errors": "replace",
     "bos_token": {
         "content": "<s>",
@@ -64,4 +64,4 @@
     "name_or_path": "neulab/omnitab-large",
     "use_fast": true,
     "tokenizer_class": "TapexTokenizer"
-}
+}