gensim.models.Word2Vec(): unexpected keyword argument 'compute_loss'

[Thomas Fauskanger]

Hello, everyone,

I followed and downloaded the tutorial notebook on Word2Vec from here: https://github.com/RaRe-Technologies/gensim/blob/develop/docs/notebooks/word2vec.ipynb

In input[25], first cell after "Training Loss Computation" headline, I get an error in the Word2Vec class' initializer:

TypeError: __init__() got an unexpected keyword argument 'compute_loss'

I have gensim 2.2.0 installed via conda and have a new new clone from the gensim repository. I'm using 64-bit Python 3.5.3 on windows 10. (Anaconda)

According to the API reference, "compute loss" is a valid keyword: https://radimrehurek.com/gensim/models/word2vec.html.

I've tried to search for others with same encounter, but I haven't been successful. 

Do you know the reason for this behaviour?

Kind regards

~Thomas Fauskanger

[Thomas Fauskanger]

The Word2Vec class on GitHub does have the 'compute_loss' keyword, but my local library does not. I see that the gensim documentation and conda library deviate from each other. I found that the win-64/gensim-2.2.0-np113py35_0.tar.bz2-file in conda repository is not up to date.

I've also created a StackOverflow-question: https://stackoverflow.com/questions/45276029/why-does-conda-repository-deviate-from-gensims-word2vec-with-same-version

What to do with this? Not use conda for gensim?

Gensim Word2Vec GitHub: https://github.com/RaRe-Technologies/gensim/blob/develop/gensim/models/word2vec.py

Conda repository: https://anaconda.org/anaconda/gensim/files

Kind regards

~Thomas

[Thomas Fauskanger]

After uninstalling gensim through conda, I reinstalled gensim with pip. However, it still doesn't work.

Apparently, the source on GitHub and the distributed library are different, but the tutorial seems to assume code is as on GitHub.

[Ivan Menshikh]

Hi Thomas,

Sorry for this, in documentation/notebooks we have a docstring from `develop` branch (not from `2.2.0`). This feature (compute_loss) will be available in next release.

[Thomas Fauskanger]

Thanks for the reply.

I should've used the `master` branch instead: I see that I was on the `develop` branch yes :)

Thanks again.

[Thomas Fauskanger]

In the new version, 2.3.0, 'compute_loss' is added in master. 

Thanks a lot! Keep up the good work.

~Thomas