transformers safetensors qwen2 text-generation pruna-ai conversational base_model:cognitivecomputations/dolphin-2.9.2-qwen2-7b base_model:quantized:cognitivecomputations/dolphin-2.9.2-qwen2-7b autotrain_compatible text-generation-inference endpoints_compatible 8-bit bitsandbytes region:us