# requirements.txt
gradio
requests
pandas
langchain
langchain-openai
langchain-community
langchain-experimental # For PythonAstREPLTool potentially
duckduckgo-search
wikipedia
python-chess
lxml # Often needed by wikipedia/web scraping tools
openpyxl # For reading .xlsx files with pandas
ffmpeg-python # or ensure ffmpeg is installed system-wide for audio processing
tiktoken # often needed by langchain/openai
tavily-python # Optional, but good search API
beautifulsoup4 # For HTML parsing if needed