HYTOS

    @property

    def is_over_criteria(self):

        pressure_drop, limitation_pressure_drop = self.pressure_drop, self.limitation_pressure_drop

        velocity, limitation_velocity = self.velocity, self.limitation_velocity

        return type(pressure_drop) is float and type(limitation_pressure_drop) is float and \

               type(velocity) is float and type(limitation_velocity) is float and \

               (self.pressure_drop > self.limitation_pressure_drop or self.velocity > self.limitation_velocity)

    def load_HMB(self) -> None:

                    # mark if velocity or pressure drop is over criteria value

                    if hmb.is_over_criteria:

                        rows = model.rowCount()

                        for row in range(rows):

                            item = model.item(row, columnCount)

                            item.setBackground(Qt.red)

                    # up to here