transformers pytorch qwen2 text-generation text-generation-inference unsloth trl sft conversational en dataset:AI-MO/NuminaMath-TIR base_model:unsloth/Qwen2-0.5B-Instruct-bnb-4bit base_model:finetune:unsloth/Qwen2-0.5B-Instruct-bnb-4bit license:apache-2.0 autotrain_compatible endpoints_compatible region:us