python-dateutil
trytond_account >= 1.6, < 1.7
trytond_company >= 1.6, < 1.7
trytond_party >= 1.6, < 1.7
trytond_product >= 1.6, < 1.7
trytond_currency >= 1.6, < 1.7
trytond_account_product >= 1.6, < 1.7
trytond >= 1.6, < 1.7