transformers safetensors qwen2 text-generation mergekit merge conversational base_model:Qwen/Qwen2-Math-1.5B-Instruct base_model:merge:Qwen/Qwen2-Math-1.5B-Instruct base_model:arcee-ai/arcee-lite base_model:merge:arcee-ai/arcee-lite autotrain_compatible text-generation-inference endpoints_compatible region:us