Librosa Anaconda install issue

[jeannoel...@gmail.com]

Hello

I can't install Librosa on anaconda using :
conda install -c conda-forge librosa

I'm using Anaconda3-5.3.0 (MacOSX-x86_64)

The terminal stays forever with displaying "solving environment".. but then nothing happens.

I don"r know how to proceed from there..

thanks for any help

Jean-Noel

[Vincent Lostanlen]

Dear Jean-Noël,

Thank you for reaching out.

This might be due to your antivirus blocking the download.

I would recommend you read this thread: https://github.com/conda/conda/issues/6406
Sincerely,

Vincent Lostanlen.

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[Stephen Shortridge]

I believe you’ll need to add a channel called conda-forge to the conda navigator. It will then show up as a package to install from conda navigator for your environment. 

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[jeannoel...@gmail.com]

Thanks to all of you for your answers.

Unfortunately, still no luck with the installation.

conda-forge is in my channels, I see the librosa installer in the anaconda browser.

using this or the terminal does not work. I'm still facing the "solving.." for ever.

No anti virus installed on my mac.

odd..

I did install without a glitch a few months ago on another machine..

Jean-Noel

[Vincent Lostanlen]

Dear Jean-Noël,

Perhaps you can try using pip instead of conda?
Sincerely,

Vincent Lostanlen.

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[Brian McFee]

This is usually caused by some version incompatibility between the requested dependencies (for librosa) and what's currently on your system.

Conda uses a satisfiability solver to determine a mutually consistent set of installed versions of packages.  In theory, that's an np-hard problem and can take quite a while to compute; in practice, it's usually pretty easy, and you don't notice it.

In my experience, when a conda install takes a long time saying "solving environment", it's often because it needs to wind all the way back to the python version and then rebuild the entire installed package collection.  For instance, I have a python 3.7 environment for which there's no tensorflow package available.  If I try to install a conda package that requires tensorflow, conda will basically try to scrap the entire environment and rebuild it as a 3.6 env.  That's an extreme case, but it might give you some clue as to what's going on.

In your specific case, I would suspect either numba or scikit-learn as the culprit.  You can see the full list of dependencies in our conda recipe here: https://github.com/librosa/librosa-feedstock/blob/master/recipe/meta.yaml#L26-L37  and check against what's currently installed in your environment.  Perhaps try installing one of those at a time until you hit the "solving environment" issue again, and that will tell you which package is to blame.

[Jean-Noel Renucci]

Thanks for your answer Brian

That was it indeed...

all good now, I just downgraded my whole anaconda installation.

All the best

Jean-Noel

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