update tokenizer.chat_format

tokenizer_config.json

@@ -26,7 +26,7 @@
     }
   },
   "bos_token": "<s>",
-  "chat_template": "{% if messages[0]['role'] == 'system' %}{% set loop_messages = messages[1:] %}{% set system_message = messages[0]['content'] %}{% else %}{% set loop_messages = messages %}{% set system_message = false %}{% endif %}{% for message in loop_messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if loop.index0 == 0 and system_message != false %}{% set content = '<<SYS>>\\n' + system_message + '\\n<</SYS>>\\n\\n' + message['content'] %}{% else %}{% set content = message['content'] %}{% endif %}{% if message['role'] == 'user' %}{{ bos_token + '[INST] ' + content.strip() + ' [/INST]' }}{% elif message['role'] == 'assistant' %}{{ ' '  + content.strip() + ' ' + eos_token }}{% endif %}{% endfor %}",
+  "chat_template": "{{ bos_token }}[INST] {% for message in messages %}{% if message['role'] == 'system' %}<<SYS>>\n{{ message['content'] }}\n<</SYS>>\n\n{% elif message['role'] == 'function_metadata' %}You have access to the following functions. Use them if required:\n\n{{ message['content'] }}\n\n{% elif message['role'] == 'user'  and loop.index0 == 1 %}{{ message['content'] }} [/INST]{% elif message['role'] == 'assistant' %}{{ message['content'] }}{{ eos_token }}{{ bos_token }}[INST] {% elif message['role'] == 'function_call' %}Function call: {{ message['content'] }}{{ eos_token }}{{ bos_token }}[INST] {% elif message['role'] == 'function_response' %}Here is the response to the function call. If helpful, use it to respond to my question:\n\n{{ message['content'] }} [/INST]{% elif message['role'] == 'user'  and loop.index0 != 1 %}{{ message['content'] }} [/INST]{% endif %}{% endfor %}",
   "clean_up_tokenization_spaces": false,
   "eos_token": "</s>",
   "legacy": false,