[Jinja] GPT4All-Chat 3.5.1 Chat template syntax for MaziyarPanahi_Qwen2-1.5B-Instruct-GGUF

[ThiloteE]

Bug Report

I experience Jinja syntax errors.

Steps to Reproduce

Use the model with new default jinja template, introduced in GPT4All-Chat 3.5.1

Default (reset) template:

{% for message in messages %}{% if loop.first and messages[0]['role'] != 'system' %}{{ '<|im_start|>system
You are a helpful assistant.<|im_end|>
' }}{% endif %}{{'<|im_start|>' + message['role'] + '
' + message['content'] + '<|im_end|>' + '
'}}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant
' }}{% endif %}

Better template:

{% for message in messages %}{% if loop.first and messages[0]['role'] != 'system' %}{{ '<|im_start|>system
You are a helpful assistant.<|im_end|>
' }}{% endif %}{{'<|im_start|>' + message['role'] + '
' + message['content'] + '<|im_end|>' + '
' }}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant
' }}{% endif %}

Expected Behavior

No problems

Your Environment

• GPT4All version: 3.5.1
• Operating System: Windows 10
• Chat model used (if applicable): Qwen2-1.5B-Instruct.Q6_K.gguf (https://huggingface.co/MaziyarPanahi/Qwen2-1.5B-Instruct-GGUF/tree/main)