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C extension not loaded for Word2Vec

I reinstall gensim pkg and Cython but it keeps showing this warning, Does anyone know about this? I am using Python 3.6, PyCharm Linux Mint.

UserWarning: C extension not loaded for Word2Vec, learning will be slow. Install the C compiler and reinstall gensim for quick learning. warnings.warn ("C extension not loaded for Word2Vec, learning will be slow."

And it also shows this line when I create or load the model.
The slow version of gensim.models.doc2vec is used

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There is some problem with some base packages that are not updated. Here I found an answer that works for me, it briefly:

Remove Gensim

sudo pip3 uninstall gensim

Install python3-dev build-essential

sudo apt-get install python3-dev build-essential


Reinstall Gensim

sudo pip3 install --upgrade gensim

Notes:

The instructions above are for systems where pip and apt-get are used to manage packages
pip3 is the python3 pip version

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