python-dateutil
trytond_account >= 2.6, < 2.7
trytond_account_product >= 2.6, < 2.7
trytond_company >= 2.6, < 2.7
trytond_currency >= 2.6, < 2.7
trytond_party >= 2.6, < 2.7
trytond_product >= 2.6, < 2.7
trytond >= 2.6, < 2.7