title: Error installing PyTorch when building Docker image
body: <p>I run into this error when trying to build a Docker image. My requirements.txt file only contains 'torch==1.9.0'. This version clearly exists, but after downloading for a minute or longer, this error pops up.</p>
  <p><a href="https://i.stack.imgur.com/V8tWs.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/V8tWs.png" alt="screenshot" /></a></p>