bs4
chromadb
gradio 
langchain
langchain_community 
langchain-openai 
langchainhub 
langgraph 
openai
pymongo
pypdf
numpy
python-dotenv
tiktoken
yt_dlp
text_generation
transformers 
sentence-transformers
mdtex2html
pypinyin
socksio
tqdm
colorama
Pygments
llama_index
markdown
markdown2
tavily-python
scikit-learn
nltk
pyspellchecker
hugchat
reportlab
PyPDF2
fake_useragent