Update tokenizer_config.json

tokenizer_config.json

@@ -2093,7 +2093,7 @@
     }
   },
   "bos_token": "<s>",
-  "chat_template": "{%- set system_message = namespace(content='') -%}{%- if messages[0]['role'] == 'system' -%}{%- set system_message.content = messages[0]['content'] -%}{%- endif -%}<|im_start|>system\n{{ system_message.content }}<|im_end|>\n{% for message in messages -%}{%- if message['role'] != 'system' %}<|im_start|>{{ message['role'] }}\n{{ message['content'] }}<|im_end|>\n{% endif -%}{%- endfor -%}",
+  "chat_template": "{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}<|im_start|>system\n{% if messages[0]['role'] == 'system' %}{{ messages[0]['content'] }}{% endif %}<|im_end|>\n{% for message in messages %}{% if message['role'] != 'system' %}<|im_start|>{{ message['role'] }}\n{{ message['content'] }}<|im_end|>\n{% endif %}{% endfor %}{% if add_generation_prompt %}<|im_start|>assistant\n{% endif %}",
   "clean_up_tokenization_spaces": false,
   "eos_token": "<|im_end|>",
   "legacy": true,