gradio==3.25.0 mdtex2html pypinyin tiktoken socksio tqdm colorama duckduckgo_search Pygments llama_index==0.5.13 langchain markdown PyPDF2 pdfplumber pandas commentjson openpyxl transformers torch icetk protobuf==3.19.0 git+https://github.com/OptimalScale/LMFlow.git cpm-kernels sentence_transformers