def __init__()

in models/regnet.py [0:0]


    def __init__(
        self,
        depths: Sequence[int],
        widths: Sequence[int],
        group_widths: Sequence[int],
        bottleneck_multipliers: Sequence[int],
        strides: Sequence[int],
        stem_type: StemType = StemType.SIMPLE_STEM_IN,
        stem_width: int = 32,
        block_type: BlockType = BlockType.RES_BOTTLENECK_BLOCK,
        activation: ActivationType = ActivationType.RELU,
        use_se: bool = True,
        se_ratio: float = 0.25,
        bn_epsilon: float = 1e-05,
        bn_momentum: bool = 0.1,
        num_classes: Optional[int] = None,