Fix tokenizer files

.gitignore

@@ -0,0 +1 @@
+.DS_Store

special_tokens_map.json

@@ -1204,5 +1204,6 @@
   ],
   "eos_token": "</s>",
   "pad_token": "<pad>",
+  "sep_token": "</s>",
   "unk_token": "<unk>"
 }

tokenizer_config.json

@@ -1204,8 +1204,9 @@
   ],
   "eos_token": "</s>",
   "extra_ids": 100,
+  "from_slow": true,
   "loc_extra_ids": 501,
-  "model_max_length": 1000000000000000019884624838656,
+  "model_max_length": 512,
   "only_label_first_subword": true,
   "other_extra_ids": 200,
   "pad_token": "<pad>",
@@ -1217,6 +1218,7 @@
   ],
   "pad_token_label": -100,
   "processor_class": "UdopProcessor",
+  "sep_token": "</s>",
   "sep_token_box": [
     1000,
     1000,