Problem Installing via conda cloud channel

[MagAtOQ]

Dear all,

I've been using CMA-ES a couple of years ago and would like to get back to it.

I'm using Anaconda, with Navigator 2.2.0 and win10.

Trying to keep the consistency in package updates, I would like to install CMA using conda install.
After moving to my project environment in anaconda, I'm launching the CMD.exe Prompt (vers. 0.1.1) and use the command:
conda install --channel cma-es cma

The problem is rising after this. Here is the feedback from the terminal:

##############################################################
Collecting package metadata (current_repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
Collecting package metadata (repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.

PackagesNotFoundError: The following packages are not available from current channels:

• cma

Current channels:

• https://conda.anaconda.org/cma-es/win-64
• https://conda.anaconda.org/cma-es/noarch
• https://repo.anaconda.com/pkgs/main/win-64
• https://repo.anaconda.com/pkgs/main/noarch
• https://repo.anaconda.com/pkgs/r/win-64
• https://repo.anaconda.com/pkgs/r/noarch
• https://repo.anaconda.com/pkgs/msys2/win-64
• https://repo.anaconda.com/pkgs/msys2/noarch

To search for alternate channels that may provide the conda package you're
looking for, navigate to

https://anaconda.org

and use the search bar at the top of the page.
##############################################################

What disturb me a bit is the output:

The following packages are not available from current channels:

• cma_

it doesn't seem to take the "-es" into account. Is that a win10 problem?

How can I overcome that problem? Any idea?

In any case, thanks a lot!

With regards

[MagAtOQ]

Small update:
I've been adding the cma-es channel manually to anaconda.
It does appear in the "Channels" tab from "Environments"... But still no effect on the message returned by "conda install" command.

[nikohansen]

My understanding of the documentation suggests the following command for installation:

conda install --channel "cma-es" cma

I guess the quotation marks are important here.

[MagAtOQ]

I had a try... it doesn't seem to work.
I tried:

• your command
• conda install --channel "cma-es" package ( to install the channel... just a try)
• conda install --channel cma-es package
  None of the 3 tests gave a positive output. Always the same feedback from the prompt... Strange...

Anyway... I cheated a bit, using the pip install. May generate problems in the future but from now, it will do the job.
If I have new info, I'll post them here.

Thanks again for your feedback!