gradio==3.40.0 gradio_client==0.4.0 pypinyin tiktoken socksio tqdm colorama googlesearch-python Pygments langchain==0.0.276 markdown PyPDF2 pdfplumber pandas commentjson openpyxl pandoc wolframalpha faiss-cpu==1.7.4 duckduckgo-search arxiv wikipedia google.generativeai openai>=0.27.9 unstructured google-api-python-client tabulate ujson