transformers llamafile llama code arxiv:2304.12244 arxiv:2306.08568 arxiv:2308.09583 arxiv:2303.08774 base_model:WizardLMTeam/WizardCoder-Python-34B-V1.0 base_model:finetune:WizardLMTeam/WizardCoder-Python-34B-V1.0 license:llama2 model-index text-generation-inference region:us