transformers tensorboard safetensors gemma2 text-generation alignment-handbook trl dpo generated_from_trainer conversational dataset:HuggingFaceH4/ultrafeedback_binarized base_model:tanliboy/zephyr-gemma-2-9b-sft base_model:finetune:tanliboy/zephyr-gemma-2-9b-sft license:gemma autotrain_compatible text-generation-inference endpoints_compatible region:us