src.data_sources.annuity.productΒΆ Namespace for annuity product assumptions. Classes Product(path) Namespace for annuity product assumptions. Modules src.data_sources.annuity.product.base Namespace for annuity base product assumptions. src.data_sources.annuity.product.gmdb Namespace for annuity GMDB rider assumptions. src.data_sources.annuity.product.gmwb Namespace for annuity GMWB rider assumptions.