Also, it's probably best to post to the pylearn-users mailing list (search
in Google groups).

On Tuesday, April 22, 2014, Steven Kearnes <skearnes@gmail.com> wrote:

> Try using 'null' without quotation marks. It's a YAML keyword, not a
> string, and shouldn't be quoted or capitalized.
>
> On Tuesday, April 22, 2014, woodshop <notifications@github.com<javascript:_e(%7B%7D,'cvml','notifications@github.com');>>
> wrote:
>
>> In pylearn2/config/yaml_parse.py:
>>
>> >      mapping = loader.construct_mapping(node)
>> > +
>> > +    assert hasattr(mapping, 'keys')
>> > +    assert hasattr(mapping, 'values')
>> > +    for key, val in mapping.iteritems():
>>
>> Hello,
>>
>> I'm not sure if this is the correct place to leave a comment. If it is
>> isn't, I apologize.
>>
>> When instantiating autoencoder.DenoisingAutoencoder, the class requires a
>> value associated with the variable 'act_dec'. If I'd like to specify a
>> linear decoding function, then I must pass None using "Null" via yaml.
>> However these lines throw an error since the yaml parser won't accept None
>> as a dict keyword value. I expect there are other locations in pylearn2
>> where one would legitimately like to pass None via their yaml source.
>>
>> --Andy
>>
>> —
>> Reply to this email directly or view it on GitHub<https://github.com/lisa-lab/pylearn2/pull/705/files#r11884983>
>> .
>>
>
>
> --
> Sent from my phone.
>


-- 
Sent from my phone.