transformers tensorboard safetensors mixtral text-generation alignment-handbook trl sft generated_from_trainer conversational dataset:HuggingFaceH4/ultrachat_200k base_model:ondevicellm/tinyllama_moe_v2 base_model:finetune:ondevicellm/tinyllama_moe_v2 autotrain_compatible text-generation-inference endpoints_compatible region:us