UnavailableInvalidChannel: The channel is not accessible or is invalid

1

Hi, I’m trying to install pytorch 1.8.1 from conda by:

conda install -c pytorch pytorch

and it results:

Collecting package metadata (current_repodata.json): failed

UnavailableInvalidChannel: The channel is not accessible or is invalid.
  channel name: pytorch
  channel url: https://conda.anaconda.org/pytorch
  error code: 404

You will need to adjust your conda configuration to proceed.
Use `conda config --show channels` to view your configuration's current state,
and use `conda config --show-sources` to view config file locations.

conda config --show channels results:

channels:
  - defaults

conda config --show-sources results nothing

torchaudio is also not installed, but another packages, like librosa, is installed well.
What can I do?

macOS, miniconda 4.10.1.

2

Are you able to open the channel URL and are you seeing all stored packages or does the URL also yield a 404?
I can install the current binaries (did it a couple of times just a few minutes ago) and can also access the URL.

3

Yes, i can access to the url via web browsers and can see the packages i want to install.

I’ve just tried to install same things, but on aws ec2 instances (ubuntu18.04, with gpu), all the things works well.

4

I’ve found it is cause from the conda side.

I thought there were changes in installing pytorch in macOS. thank you.