[Mne_analysis] install fails missing cython

[Maximilien Chaumon]

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Ok, thanks for your reply. I thought I was getting trouble right after that
the last time I installed it. I'll test it further. Thanks.

Le mar. 17 juil. 2018 à 14:34, Eric Larson <larson.eric.d at gmail.com> a
écrit :

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>
> Usually these messages about Cython are non-fatal warnings rather than
> errors. Does the environment work? You can check at a very basic level with
> with something like:
>
> $ source activate mne
> $ python -c "import mne; mne.sys_info()"
>
> ​
> This should succeed and print a list of libraries, and then you can move
> on to trying some examples.
>
> Eric
>
>
> On Tue, Jul 17, 2018 at 4:24 AM Maximilien Chaumon <
> maximilien.chaumon at gmail.com> wrote:
>
>>         External Email - Use Caution
>>
> Hi everyone,
>>
>> A problem I've had in the past:
>> Install on a fresh ubuntu (mint) install following instructions
>> https://martinos.org/mne/stable/install_mne_python.html#install-dependencies-and-mne
>> fails with these messages:
>> mkl-random 1.0.1 requires cython, which is not installed.
>> mkl-fft 1.0.2 requires cython, which is not installed.
>>
>> Installed cython with apt install, now it is present on my system.
>> Problem 1:
>> conda env create -f environment.yml
>> fails saying
>> CondaValueError: prefix already exists:
>> /home/maximilien.chaumon/anaconda3/envs/mne
>>
>> Fair enough. After total removal of anaconda and settings, check cython
>> is installed, reinstall after reboot, same fail, complaining cython isn't
>> there.
>>
>> In any case, it seems that ubuntu doesn't ship with cython, so it may be
>> a good idea to add an install procedure to the instructions.
>>
>> Any help much appreciated.
>> Max
>>
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