Update tokenizer_config.json

tokenizer_config.json

@@ -1744,7 +1744,7 @@
     "<end_of_turn>"
   ],
   "bos_token": "<bos>",
-  "chat_template": "{{ bos_token }}{% for message in messages %}{% if message['role'] not in ['user', 'assistant', 'system'] or (loop.index0 > 0 and message['role'] != 'system' and message['role'] == messages[loop.index0 - 1]['role']) %}{{ raise_exception('Invalid role or role sequence') }}{% endif %}{{ '<start_of_turn>' + message['role'] + '\n' + message['content'] | trim + '<end_of_turn>\n' if message['role'] != 'system' else message['content'] + '\n' }}{% endfor %}{% if add_generation_prompt %}{{ '<start_of_turn>model\n' }}{% endif %}",
+  "chat_template": "{{ bos_token }}{% for message in messages %}{% if message['role'] not in ['user', 'assistant', 'model', 'system'] or (loop.index0 > 0 and message['role'] != 'system' and message['role'] == messages[loop.index0 - 1]['role']) %}{{ raise_exception('Invalid role or role sequence') }}{% endif %}{{ '<start_of_turn>' + message['role'] + '\n' + message['content'] | trim + '<end_of_turn>\n' if message['role'] != 'system' else message['content'] + '\n' }}{% endfor %}{% if add_generation_prompt %}{{ '<start_of_turn>model\n' }}{% endif %}",
   "clean_up_tokenization_spaces": false,
   "eos_token": "<eos>",
   "model_max_length": 2048,