transformers gguf alignment-handbook trl dpo generated_from_trainer en dataset:HuggingFaceH4/ultrafeedback_binarized base_model:NicholasCorrado/uf-tulu-2-7b-dpo base_model:quantized:NicholasCorrado/uf-tulu-2-7b-dpo endpoints_compatible region:us imatrix conversational