UpSample

[tongqcx]

I've met a problem with nn.UpSampling when I want to train a generate model
Proof code:
model:add(nn.UpSampling(2,'nearest')) --10
model:add(cudnn.VolumetricConvolution(128, 256, 5, 5, 5, 1, 1, 1, (5-1)/2, (5-1)/2, (5-1)/2))
model:add(nn.VolumetricBatchNormalization(256))
model:add(nn.PReLU(nil, nil, true))
Problem:
./models.lua:61: attempt to call field 'UpSampling' (a nil value)
stack traceback:
./models.lua:61: in function 'create_G'
train.lua:138: in function 'main'
train.lua:221: in main chunk
[C]: in function 'dofile'
.../tqc/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:150: in main chunk
[C]: at 0x00405d50
thanks