transformers safetensors gemma2 text-generation pruna-ai conversational base_model:UCLA-AGI/Gemma-2-9B-It-SPPO-Iter3 base_model:quantized:UCLA-AGI/Gemma-2-9B-It-SPPO-Iter3 autotrain_compatible text-generation-inference endpoints_compatible 4-bit bitsandbytes region:us