Before this commit: select more than two groupbys in a graph view would have no impact at all if mode 'bar' or 'line' is selected. This commit allows to correctly handle more than two groupbys in all modes. Task ID: 1917948 closes odoo/odoo#29673
Before this commit: select more than two groupbys in a graph view would have no impact at all if mode 'bar' or 'line' is selected. This commit allows to correctly handle more than two groupbys in all modes. Task ID: 1917948 closes odoo/odoo#29673