fix bug : should not go below -2 points in this situation where we are actually adding points

lacagette_addons/lacagette_membership/models/shift_counter_event.py

@@ -30,7 +30,10 @@ class ShiftCounterEvent(models.Model):
                         makeups_total_count = p['makeups_to_do'] + len(res_shift_reg)
                         if points_after_required_change + makeups_total_count > 0:
                             points_target = - makeups_total_count
+                            if points_target < -2:
+                                points_target = -2
                             vals['point_qty'] = points_target - p.final_standard_point
+
         except Exception as e:
             # don't block process if an error occurs here
             _logger.error("Error during _alter_point_event_depending_on_makeups_total_count : %s", str(e))