transformers safetensors qwen2 text-generation mergekit merge conversational base_model:Qwen/Qwen2.5-Math-7B-Instruct base_model:merge:Qwen/Qwen2.5-Math-7B-Instruct base_model:happzy2633/qwen2.5-7b-ins-v3 base_model:merge:happzy2633/qwen2.5-7b-ins-v3 autotrain_compatible text-generation-inference endpoints_compatible region:us