def get_volume_temperature(self):
    warnings.warn('QHA.get_volume_temperature() is deprecated.Use volume_temperature attribute.', DeprecationWarning)
    return self.volume_temperature
def get_volume_temperature(self):
    warnings.warn('QHA.get_volume_temperature() is deprecated.Use volume_temperature attribute.', DeprecationWarning)
    return self.volume_temperature