Vel factory function

def create(blocks, mode='basic', inplanes=16, divisor=4, num_classes=1000):
    """ Vel factory function """
    block_dict = {
        'basic': BasicBlock,
        'bottleneck': Bottleneck
    }

    def instantiate(**_):
        return ResNetV2(block_dict[mode], blocks, inplanes=inplanes, divisor=divisor, num_classes=num_classes)

    return ModelFactory.generic(instantiate)