# Core dependencies
numpy>=1.19.0
pathlib2>=2.3.0; python_version<"3.4"

# Optional ML framework dependencies (install as needed)
# scikit-learn>=1.0.0
# torch>=1.9.0
# tensorflow>=2.6.0
# xgboost>=1.5.0
# lightgbm>=3.2.0
# catboost>=1.0.0

# Development dependencies (install with pip install -e .[dev])
# pytest>=6.0
# pytest-cov>=2.0
# black>=21.0
# flake8>=3.8
# mypy>=0.800