[update] order table actu

models/enerccop_actu.py

@@ -8,6 +8,7 @@ from datetime import datetime
 class ModelName(models.Model):
     _name = 'enercoop.actu'
     _description = 'Actualités'
+    _order = 'date_actu DESC, id DESC'
 
     # ------------------------------------------------------
     # Fields declaration