title: Pytorch installation could not find a version that satisfies the requirement
body: <p>When i tried to install Pytorch in the way they suggest on their website:</p>
  <pre><code>pip install torch===1.7.0 torchvision===0.8.1 torchaudio===0.7.0 -f https://download.pytorch.org/whl/torch_stable.html
  </code></pre>
  <p>this is the error that appear:</p>
  <pre><code>ERROR: Could not find a version that satisfies the requirement torch===1.7.0 (from versions: 0.1.2, 0.1.2.post1, 0.1.2.post2)
  ERROR: No matching distribution found for torch===1.7.0
  </code></pre>
  <p>How can i solve it?</p>