transformers safetensors qwen2 text-generation text-generation-inference unsloth trl krx conversational en base_model:unsloth/Qwen2-7B-Instruct-bnb-4bit base_model:finetune:unsloth/Qwen2-7B-Instruct-bnb-4bit license:apache-2.0 autotrain_compatible endpoints_compatible region:us