pip pysqlite3-binary chromadb openai-whisper docarray==0.40.0 fastapi==0.111.1 fastapi-cli==0.0.4 Flask==3.0.3 fpdf==1.7.2 huggingface-hub==0.23.4 langchain==0.2.7 langchain_community==0.2.7 langchain-core==0.2.18 langchain-huggingface==0.0.3 langchain-openai==0.1.16 langchain-text-splitters==0.2.2 langchainhub==0.1.20 langsmith==0.1.90 markdown-it-py==3.0.0 MarkupSafe==2.1.5 moviepy nltk==3.8.1 numpy==1.26.4 openai==1.35.13 pandas==2.2.2 pyarrow==16.1.0 pydantic==2.8.2 pydantic_core==2.20.1 pypdf==4.3.0 PyPDF2==3.0.1 pypdfium2==4.30.0 PyPika==0.48.9 python-dotenv pytube sentence-transformers streamlit tiktoken tokenizers torch transformers youtube_search youtube-transcript-api pytubefix