UserWarning: downsample module has been moved #4337

josvanroosmalen · 2016-04-05T20:32:47Z

Hi,

I just upgraded from Theano 0.7 to 0.8, When I use:

from theano.tensor.signal import downsample

I get:

/usr/local/lib/python3.4/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.")

But if I use:

from theano.tensor.signal.pool import downsample

I get:

ImportError: cannot import name 'downsample'

How to fix this or is this a bug?

Thanks,

Jos

The text was updated successfully, but these errors were encountered:

nouiz · 2016-04-05T21:56:29Z

Le 5 avr. 2016 13:41, "Jos van Roosmalen" notifications@github.com a
écrit :

Hi,

I just upgraded from Theano 0.7 to 0.8, When I use:

from theano.tensor.signal import downsample

I get:

/usr/local/lib/python3.4/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.")

But if I use:

from theano.tensor.signal.pool import downsample

Use

From Theano.tensor.signal import pool

And use the pool_2d() function.

Fred

I get:

ImportError: cannot import name 'downsample'

How to fix this or is this a bug?

Thanks,

Jos

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victoriastuart · 2016-08-12T02:27:19Z

Same issue [theano v.0.9.0dev1.dev-2...]; changed

from theano.tensor.signal import downsample
...
pooled_out = downsample.max_pool_2d( ... )

to

from theano.tensor.signal import pool
...
pooled_out = pool.pool_2d( ... )

Works!

nouiz · 2016-08-15T19:36:40Z

After this change, you should delete your Theano cache as it can still load
the old module. After that, you should not get errors anymore.

On Thu, Aug 11, 2016 at 10:27 PM, Victoria Stuart notifications@github.com
wrote:

Same issue [theano v.0.9.0dev1.dev-2...]; changed

from theano.tensor.signal import downsample
...
pooled_out = downsample.max_pool_2d( ... )

to

from theano.tensor.signal import pool
...
pooled_out = pool.pool_2d( ... )

—
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Reply to this email directly, view it on GitHub
#4337 (comment), or mute
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.

victoriastuart · 2016-08-16T22:46:09Z

Sorry, I know this thread is closed, but for anyone else searching/reading (as I did) ...

Delete Theano cache [ https://github.com//issues/3818 ]:

You can delete your theano cache with the command

theano-cache purge

If that does not work do this in python to know the path of the cache and delete this directory:

python
import theano
print theano.config.compiledir

Use newer import see Theano/Theano#4337

adrian1906 · 2017-04-06T01:54:28Z

What file(s) do I make the suggested edit?

from theano.tensor.signal import downsample
...
pooled_out = downsample.max_pool_2d( ... )

to

from theano.tensor.signal import pool
...
pooled_out = pool.pool_2d( ... )

I modified the base.py file using the first line: from theano.tensor.signal import pool but I'm unable to find the pooled_out line.

victoriastuart · 2017-04-06T03:18:43Z

Ahh, sorry: I should have mentioned the file! I believe that the file in question (I had to grep to find it) is:

[victoria@victoria theano]$ rg . -e "pooled_out"    ## rg: "ripgrep"
    convolutional_mlp.py
    163: #pooled_out = downsample.max_pool_2d(
    164: pooled_out = pool.pool_2d(
    174: self.output = T.tanh(pooled_out + self.b.dimshuffle('x', 0, 'x', 'x'))

i.e.

/home/victoria/projects/theano/convolutional_mlp.py

which is a file from the Theano tutorial,

http://deeplearning.net/tutorial/lenet.html

with the code linked near the top of that tutorial:

http://deeplearning.net/tutorial/code/convolutional_mlp.py

In my downloaded copy of that script (Aug 2016) I have the following edit:

...
    # downsample each feature map individually, using maxpooling
    #pooled_out = downsample.max_pool_2d(
    pooled_out = pool.pool_2d(
        input=conv_out,
        ds=poolsize,
        ignore_border=True
    )
...

It appears that the online version has been updated, perhaps in response to this Issue/thread, as "downsample.max_pool_2d" no onger appears in that file.

I hope that helps! :-)

My configuration:

Arch Linux x86_64; Intel Core i7-4790 CPU; ... Theano in Python 2.7 virtual environment ...

[victoria@victoria ~]$ thee

[Theano in Anaconda Python 2.7 venv (source activate theano-env)]

(theano-env) [victoria@victoria ~]$ which python

/home/victoria/anaconda3/envs/theano-env/bin/python

(theano-env) [victoria@victoria ~]$ python --version

Python 2.7.12 :: Anaconda custom (64-bit)

(theano-env) [victoria@victoria ~]$ P

[P: python]
Python 2.7.12 |Anaconda custom (64-bit)| (default, Jul  2 2016, 17:42:40) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
Anaconda is brought to you by Continuum Analytics.
Please check out: http://continuum.io/thanks and https://anaconda.org

>>> import theano

>>> theano .__version__
'0.9.0dev1.dev-2a9da88c31f902a39b7ab280ae2a10b46887ff58'

>>> [Ctrl-D]

(theano-env) [victoria@victoria ~]$

adrian1906 · 2017-04-06T03:23:37Z

Thank you Victoria.

zxzhijia · 2017-05-22T22:22:40Z

@victoriastuart Hi Victoria, I changed my code according to what you said. But it give me an error as below. I was previously using one version of theano 0.9.0. It worked well. But after I update, it doesn't work. Maybe, should reinstall theano 0.9.0 rc1?

runfile('/space/xzhang/git_cnn_conversion/MyLasagneCode_CIFAR10/test_convnet_new.py', wdir='/space/xzhang/git_cnn_conversion/MyLasagneCode_CIFAR10')
Reloaded modules: cutils_ext, tmp7SSxi_, lazylinker_ext.lazylinker_ext, data_utils, tmp7SSxi_.11617ef9bd367a3818a3537ffe37d382, lazylinker_ext, cutils_ext.cutils_ext
Compiling...
theano_layers.py:257: UserWarning: DEPRECATION: the 'ds' parameter is not going to exist anymore as it is going to be replaced by the parameter 'ws'.
impulse = downsample.max_pool_2d(inp, ds=self.poolsize, st=self.stride, ignore_border=self.ignore_border, mode='average_inc_pad')
Traceback (most recent call last):

File "", line 1, in
runfile('/space/xzhang/git_cnn_conversion/MyLasagneCode_CIFAR10/test_convnet_new.py', wdir='/space/xzhang/git_cnn_conversion/MyLasagneCode_CIFAR10')

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/spyder/utils/site/sitecustomize.py", line 866, in runfile
execfile(filename, namespace)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/spyder/utils/site/sitecustomize.py", line 94, in execfile
builtins.execfile(filename, *where)

File "/space/xzhang/git_cnn_conversion/MyLasagneCode_CIFAR10/test_convnet_new.py", line 136, in
main(**kargs)

File "/space/xzhang/git_cnn_conversion/MyLasagneCode_CIFAR10/test_convnet_new.py", line 96, in main
get_output = theano.function([input_var, input_time], [new_mem, output_time, Ntransmittedspikes, conv1_spikes, conv2_spikes, conv3_spikes], updates=updates)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/compile/function.py", line 326, in function
output_keys=output_keys)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/compile/pfunc.py", line 486, in pfunc
output_keys=output_keys)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/compile/function_module.py", line 1808, in orig_function
output_keys=output_keys)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/compile/function_module.py", line 1478, in init
optimizer_profile = optimizer(fgraph)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gof/opt.py", line 98, in call
return self.optimize(fgraph)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gof/opt.py", line 87, in optimize
ret = self.apply(fgraph, *args, **kwargs)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gof/opt.py", line 241, in apply
sub_prof = optimizer.optimize(fgraph)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gof/opt.py", line 87, in optimize
ret = self.apply(fgraph, *args, **kwargs)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gof/opt.py", line 241, in apply
sub_prof = optimizer.optimize(fgraph)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gof/opt.py", line 87, in optimize
ret = self.apply(fgraph, *args, **kwargs)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gpuarray/opt.py", line 382, in apply
node.outputs)

File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gpuarray/opt.py", line 1347, in local_gpua_error_convop
"""

AssertionError:
ConvOp does not work with the gpuarray backend.

Use the new convolution interface to have GPU convolution working:
theano.tensor.nnet.conv2d()

nouiz · 2017-05-23T14:46:52Z

You need to call: theano.tensor.nnet.conv2d() instead of theano.tensor.nnet.conv.conv2d()

…

On Wed, Apr 5, 2017 at 11:18 PM Victoria Stuart ***@***.***> wrote: Ahh, sorry: I should have mentioned the file! I believe that the file in question (I had to grep to find it) is: ***@***.*** theano]$ rg . -e "pooled_out" ## rg: "ripgrep" convolutional_mlp.py 163: #pooled_out = downsample.max_pool_2d( 164: pooled_out = pool.pool_2d( 174: self.output = T.tanh(pooled_out + self.b.dimshuffle('x', 0, 'x', 'x')) i.e. /home/victoria/projects/theano/convolutional_mlp.py which is a file from the Theano tutorial, http://deeplearning.net/tutorial/lenet.html with the code linked near the top of that tutorial: http://deeplearning.net/tutorial/code/convolutional_mlp.py In my downloaded copy of that script (Aug 2016) I have the following edit: ... # downsample each feature map individually, using maxpooling #pooled_out = downsample.max_pool_2d( pooled_out = pool.pool_2d( input=conv_out, ds=poolsize, ignore_border=True ) ... It appears that the online version has been updated, perhaps in response to this Issue/thread, as "downsample.max_pool_2d" no onger appears in that file. I hope that helps! :-) — You are receiving this because you modified the open/close state. Reply to this email directly, view it on GitHub <#4337 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AALC-14NE-pnASisKa-00ZpKa1xUD6vlks5rtFmUgaJpZM4IAd1e> .

zxzhijia · 2017-05-23T16:10:00Z

@nouiz I see. Thank you. I fixed that problem. But it comes up with a new error saying:

ERROR (theano.gpuarray): Could not initialize pygpu, support disabled
Traceback (most recent call last):
File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gpuarray/init.py", line 175, in
use(config.device)
File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gpuarray/init.py", line 162, in use
init_dev(device, preallocate=preallocate)
File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gpuarray/init.py", line 73, in init_dev
context.cudnn_handle = dnn._make_handle(context)
File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gpuarray/dnn.py", line 80, in _make_handle
cudnn = _dnn_lib()
File "/space/xzhang/anaconda2/lib/python2.7/site-packages/theano/gpuarray/dnn.py", line 67, in _dnn_lib
raise RuntimeError('Could not find cudnn library (looked for v5[.1])')
RuntimeError: Could not find cudnn library (looked for v5[.1])
Using Theano backend.
Compiling...
/space/xzhang/git_cnn_conversion/MyLasagneCode_CIFAR10/theano_layers.py:257: UserWarning: DEPRECATION: the 'ds' parameter is not going to exist anymore as it is going to be replaced by the parameter 'ws'.
impulse = pool.pool_2d(inp, ds=self.poolsize, st=self.stride, ignore_border=self.ignore_border, mode='average_inc_pad')

loretoparisi · 2017-07-20T22:01:40Z

I get this problem when using lasagne:

Traceback (most recent call last):
  File "train.py", line 11, in <module>
    import lasagne
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/__init__.py", line 19, in <module>
    from . import layers
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/layers/__init__.py", line 7, in <module>
    from .pool import *
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/layers/pool.py", line 6, in <module>
    from theano.tensor.signal import downsample
ImportError: cannot import name downsample
entailment
Traceback (most recent call last):
  File "train.py", line 11, in <module>
    import lasagne
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/__init__.py", line 19, in <module>
    from . import layers
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/layers/__init__.py", line 7, in <module>
    from .pool import *
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/layers/pool.py", line 6, in <module>
    from theano.tensor.signal import downsample
ImportError: cannot import name downsample
sentiment
Traceback (most recent call last):
  File "train.py", line 11, in <module>
    import lasagne
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/__init__.py", line 19, in <module>
    from . import layers
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/layers/__init__.py", line 7, in <module>
    from .pool import *
  File "/Users/loretoparisi/Documents/MyProjects/SIF/.env/lib/python2.7/site-packages/lasagne/layers/pool.py", line 6, in <module>
    from theano.tensor.signal import downsample
ImportError: cannot import name downsample

Using:

(.env) [loretoparisi@:mbploreto SIF]$ python -c "import theano; print theano .__version__"
0.9.0

So I have solved in this way:

(.env) [loretoparisi@:mbploreto SIF]$ pip install --upgrade https://github.com/Lasagne/Lasagne/archive/master.zip
Collecting https://github.com/Lasagne/Lasagne/archive/master.zip
  Downloading https://github.com/Lasagne/Lasagne/archive/master.zip
     | 235kB 905kB/s
Requirement already up-to-date: numpy in ./.env/lib/python2.7/site-packages (from Lasagne==0.2.dev1)
Installing collected packages: Lasagne
  Found existing installation: Lasagne 0.1
    Uninstalling Lasagne-0.1:
      Successfully uninstalled Lasagne-0.1
  Running setup.py install for Lasagne ... done
Successfully installed Lasagne-0.2.dev1
(.env) [loretoparisi@:mbploreto SIF]$ python -c "import lasagne; print lasagne .__version__"
0.2.dev1

loretoparisi · 2017-07-20T22:02:56Z

I have reported it here.

philipperemy · 2017-08-19T01:56:50Z

From Theano.tensor.signal import pool

And use the pool_2d() function.

worked for me!

nouiz · 2017-08-19T02:22:06Z

As on the report, he was using a too old Lasagne for the Theano version he was using.

…

On Fri, Aug 18, 2017 at 9:56 PM Philippe Rémy ***@***.***> wrote: From Theano.tensor.signal import pool And use the pool_2d() function. worked for me! — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#4337 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AALC-_LSUo7YlGX3vmYLBTPmzP4hXotMks5sZkDkgaJpZM4IAd1e> .

philipperemy · 2017-08-19T03:01:13Z

@nouiz yes same thing happened to me. It was due to Lasagne.

numairmansur · 2017-09-24T12:47:04Z

If i do

import lasagne

I get

from theano.tensor.signal import downsample
ImportError: cannot import name 'downsample'

is it because of my python version ? (3.5)

nouiz · 2017-09-25T23:22:07Z

This is because your Theano version is too recent compared to your Lasagne version.

Can you update Lasagne to the dev version on github? The one obtained with pip install lasagne is old.

nouiz closed this as completed Apr 5, 2016

josephwinston pushed a commit to josephwinston/VIN that referenced this issue Jan 4, 2017

Use newer import see Theano/Theano#4337

101de34

avivt added a commit to avivt/VIN that referenced this issue Jan 6, 2017

Merge pull request #6 from josephwinston/jbw/fixDownSampleImport

5b4babc

Use newer import see Theano/Theano#4337

ronggong mentioned this issue Mar 7, 2017

Theano 0.9.0 API change MTG/DeepConvSep#7

Closed

shiningsurya mentioned this issue Apr 20, 2017

Cannot import name downsample aigamedev/scikit-neuralnetwork#234

Open

xypan1232 mentioned this issue May 4, 2017

Keras dependency xypan1232/IPMiner#2

Open

xhd2015 mentioned this issue May 22, 2017

downsample has been moved to pool aseveryn/deep-qa#12

Open

archenroot mentioned this issue Jun 14, 2017

compilation terminated chrischoy/3D-R2N2#8

Closed

navneetkrc mentioned this issue Jun 22, 2017

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.") ryankiros/neural-storyteller#16

Open

georgid mentioned this issue Oct 4, 2017

我运行出的dnn.classify文件查看都是数字相同的数组（已解决，我的数据集有问题，抱歉） yajiemiao/pdnn#39

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UserWarning: downsample module has been moved #4337

UserWarning: downsample module has been moved #4337

josvanroosmalen commented Apr 5, 2016

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UserWarning: downsample module has been moved #4337

UserWarning: downsample module has been moved #4337

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