gguf code codeqwen chat qwen qwen-coder text-generation en dataset:m-a-p/CodeFeedback-Filtered-Instruction arxiv:2309.00071 arxiv:2409.12186 arxiv:2407.10671 base_model:Qwen/Qwen2.5-Coder-7B-Instruct base_model:quantized:Qwen/Qwen2.5-Coder-7B-Instruct license:apache-2.0 endpoints_compatible region:us imatrix conversational