Python 3.7 is required for function datetime.datetime.fromisoformat to work. Ref: https://docs.python.org/3.7/library/datetime.html?highlight=fromisoformat#datetime.datetime.fromisoformat This is a temporary revert, to avoid rejecting perfectly valid transactions. Ref: https://github.com/odoo/odoo/pull/48581 opw-2179123 closes odoo/odoo#49091 X-original-commit: dedac4efd0872bab71e06796f5a3158e2cf7bf15 Signed-off-by: Richard Mathot (rim) <rim@openerp.com>