# Core dependencies (none - pure Python!)

# Optional performance
# numpy>=1.21.0
# numba>=0.55.0

# Optional ML
# scikit-learn>=1.0.0
# xgboost>=1.5.0

# Optional data formats
# pyarrow>=6.0.0
# openpyxl>=3.0.0
# sqlalchemy>=1.4.0
