transformers safetensors tinyllava text-generation pruna-ai custom_code base_model:tinyllava/TinyLLaVA-Phi-2-SigLIP-3.1B base_model:quantized:tinyllava/TinyLLaVA-Phi-2-SigLIP-3.1B autotrain_compatible 4-bit bitsandbytes region:us