transformers pytorch llama text-generation llama-factory lora generated_from_trainer dataset:A2H0H0R1/alpaca_data_gpt4_2 base_model:NousResearch/Llama-2-7b-chat-hf base_model:adapter:NousResearch/Llama-2-7b-chat-hf license:other autotrain_compatible text-generation-inference endpoints_compatible region:us