instruction_template: |-
  {%- set ns = namespace(found=false) -%}
  {%- for message in messages -%}
      {%- if message['role'] == 'system' -%}
          {%- set ns.found = true -%}
      {%- endif -%}
  {%- endfor -%}
  {%- for message in messages -%}
      {{- '<|start_header_id|>' + message['role'] + '<|end_header_id|>\n\n' + message['content'].rstrip() + '<|eot_id|>' -}}
  {%- endfor -%}
  {%- if add_generation_prompt -%}
      {{-'<|start_header_id|>assistant<|end_header_id|>\n\n'-}}
  {%- endif -%}