[UPD]review function

models/acc_operation.py

@@ -1106,8 +1106,8 @@ class AccOperation(models.Model):
             date_end = date_utils.end_of(date_end, "day")
             is_scale = False
 
-        date_start = datetime.strptime(date_start, "%Y-%m-%d")
-        date_end = datetime.strptime(date_end, "%Y-%m-%d")
+        date_start = datetime.strptime(date_start, "%d/%m/%Y")
+        date_end = datetime.strptime(date_end, "%d/%m/%Y")
         scale, step_courbe, step_display_courbe = self.get_step_from_date(
             date_start=date_start, date_end=date_end, scale=scale
         )