Update tokenizer_config.json

tokenizer_config.json

@@ -230,9 +230,9 @@
   },
   "bos_token": null,
   "clean_up_tokenization_spaces": true,
-  "eos_token": "",
+  "eos_token": "<|endoftext|>",
   "model_max_length": 1000000000000000019884624838656,
-  "pad_token": "",
+  "pad_token": "<|padding|>",
   "tokenizer_class": "GPTNeoXTokenizer",
   "unk_token": null
 }