etrained weights to use. See :class:`~torchvision.models.RegNet_Y_400MF_Weights` below for more details and possible values. By default, no pretrained weights are used. progress (bool, optional): If True, displays a progress bar of the download to stderr. Default is True. **kwargs: parameters passed to either ``torchvision.models.regnet.RegNet`` or ``torchvision.models.regnet.BlockParams`` class. Please refer to the `source code `_ for more detail about the classes. .. autoclass:: torchvision.models.RegNet_Y_400MF_Weights :members: é