lmstudio-ai / lmstudio-ai/mlx-engine

Failed to parse Jinja template when using Qwen3 DWQ model

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Description

When I try to use the `qwen3-8b-dwq-053125` model, I get this error:
`Failed to parse Jinja template: Parser Error: Expected closing statement token. OpenSquareBracket !== CloseStatement`.

Is it a problem with LM Studio or the model's chat_template?

I am using:
- `LM Studio` 0.3.16
- `LM Studio MLX` 0.17.0

Contributor guide

Open the contributing guide

Research direction

No source file or test is identified. Start by reproducing the error with the qwen3-8b-dwq-053125 model using LM Studio 0.3.16 and LM Studio MLX 0.17.0, then inspect the model's chat_template alongside the parser error; done means determining whether the fault is in LM Studio, MLX, or the model template.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
machine-learning
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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