ImportError: dnn not available

[SeekPoint]

mldl@mldlUB1604:/media/mldl/data1t/os_prj/PAN$ sudo python train.py
/usr/local/lib/python2.7/dist-packages/theano/tensor/signal/downsample.py:6: UserWarning: downsample module has been moved to the theano.tensor.signal.pool module.
"downsample module has been moved to the theano.tensor.signal.pool module.")
Traceback (most recent call last):
File "train.py", line 18, in
from libs.theano_util import *
File "/media/mldl/data1t/os_prj/PAN/libs/theano_util.py", line 11, in
from lasagne.layers import dnn
File "/usr/local/lib/python2.7/dist-packages/lasagne/layers/dnn.py", line 13, in
raise ImportError("dnn not available") # pragma: no cover
ImportError: dnn not available
mldl@mldlUB1604:/media/mldl/data1t/os_prj/PAN$