def _make_layer()

in utils/gluon/utils/resnetv2.py [0:0]


    def _make_layer(self, stage_index, block, blocks, num_out, num_mid, ratio=0., strides=1):

        # -1 stands for None
        mid_planes = (num_mid - int(ratio * num_mid), int(ratio * num_mid))
        mid_planes = tuple(c if c != 0 else -1 for c in mid_planes)
        out_planes = (num_out - int(ratio * num_out), int(ratio * num_out))
        out_planes = tuple(c if c != 0 else -1 for c in out_planes)

        for i in range(0, blocks):
            name = 'L%d_B%d' % (stage_index, i)
            setattr(self, name, block(self.inplanes, mid_planes, out_planes,
                                      groups=self.groups,
                                      strides=(strides if i == 0 else 1),
                                      norm_kwargs=self.norm_kwargs,
                                      use_se=self.use_se,
                                      down_pos=self.down_pos,
                                      se_planes=int(num_out/16),
                                      name_prefix="%s_" % name))
            self.inplanes = out_planes