python - How to update to sklearn 0.19? -

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first tried update package according documentation using commands below:

pip install -u scikit-learn

or

conda install scikit-learn

but version still 0.18 in pycharm. tried run update in "settings--project interpreter", failed error:

installerror: error: 1 or more of packages installed depend on 'conda' , should installed in root environment: conda conda-env. these packages need removed before conda can proceed.

i'm totally stuck now. appreciate in advance!


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