Update tokenizer_config.json

tokenizer_config.json

@@ -35,7 +35,7 @@
     }
   },
   "bos_token": "<s>",
-  "chat_template": "{% set loop_messages = messages %}{% for message in loop_messages %}{% set content = '<|start_header_id|>' + message['role'] + '<|end_header_id|>\n\n'+ message['content'] | trim + '<|eot_id|>' %}{% if loop.index0 == 0 %}{% set content = bos_token + content %}{% endif %}{{ content }}{% endfor %}{% if add_generation_prompt %}{{ '<|start_header_id|>assistant<|end_header_id|>\n\n' }}{% endif %}",
+  "chat_template": "{%- set ns = namespace(found=false) -%}\n{%- for message in messages -%}\n    {%- if message['role'] == 'system' -%}\n        {%- set ns.found = true -%}\n    {%- endif -%}\n{%- endfor -%}\n{%- for message in messages -%}\n    {{- '<|start_header_id|>' + message['role'] + '<|end_header_id|>\n\n' + message['content'].rstrip() + '<|eot_id|>' -}}\n{%- endfor -%}\n{%- if add_generation_prompt -%}\n    {{-'<|start_header_id|>assistant<|end_header_id|>\n\n'-}}\n{%- endif -%}",
   "clean_up_tokenization_spaces": true,
   "eos_token": "<|eot_id|>",
   "model_max_length": 1000000000000000019884624838656,