transformers safetensors qwen2 text-generation pruna-ai conversational custom_code base_model:Alibaba-NLP/gte-Qwen2-1.5B-instruct base_model:quantized:Alibaba-NLP/gte-Qwen2-1.5B-instruct autotrain_compatible text-generation-inference endpoints_compatible 4-bit bitsandbytes region:us