Hello Forum!
Conda install on linux of current nightly (1/22/21) is failing.  Is this just me,
or is there a systematic issue?  (I was just able to install the corresponding
stable, 1.7.1.)
Here is my install command:
conda install pytorch torchvision torchaudio cudatoolkit=11.0 -c pytorch-nightly

And here is the error message:
Downloading and Extracting Packages
pytorch-1.8.0.dev202 | 873.5 MB  |                                         |   0%

InvalidArchiveError('Error with archive /home/user/miniconda3/pkgs/pytorch-1.8.0.dev20210122-py3.8_cuda11.0.221_cudnn8.0.5_0.tar.bz2.  You probably need to delete and re-download or re-create this file.  Message from libarchive was:\n\nSeek failed')

I did try deleting the specified file, and reinstalling, but got the same error.
Thanks.
K. Frank