Update tokenizer_config.json

tokenizer_config.json

@@ -2,11 +2,11 @@
   "add_prefix_space": null,
   "backend": "tokenizers",
   "bos_token": "<s>",
-  "chat_template": null,
+  "chat_template": "{% for message in messages %}{% if message['role'] == 'user' %}{{ message['content'] }} [/INST]{% elif message['role'] == 'assistant' %}{{ message['content'] }}{% if not loop.last %} [INST]{% endif %}{% endif %}{% endfor %}",
   "clean_up_tokenization_spaces": false,
   "eos_token": "</s>",
   "is_local": false,
-  "model_max_length": 2048,
+  "model_max_length": 4096,
   "pad_token": "</s>",
   "sp_model_kwargs": {},
   "tokenizer_class": "LlamaTokenizer",