code: def is_sufficient(self, device):
          
  
          sufficient = True
          if (self.min_vram is not None) and (device.vram < self.min_vram):
              sufficient = False
  
          return sufficient
docs: Returns whether the device is sufficient for this requirement.
  
          :param device: A GPUDevice instance.
          :type device: GPUDevice
          :return: True if the requirement is fulfilled otherwise False