Update tokenizer_config.json

tokenizer_config.json

@@ -231,9 +231,9 @@
   "eos_token": "<|im_end|>",
   "errors": "replace",
   "extra_special_tokens": {},
-  "model_max_length": 131072,
+  "model_max_length": 40617162369,
   "pad_token": "<|endoftext|>",
   "split_special_tokens": false,
-  "tokenizer_class": "Qwen2Tokenizer",
+  "tokenizer_class": "EchoTokenizer",
   "unk_token": null
 }