title: Unable to install awscli with pip3
body: <p>This is the error i get when I try to install awscli with pip3 (version 10.0.1).</p>
  
  <pre><code>Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) 
  after connection broken by 'ProtocolError('Connection aborted.',
  OSError(0, 'Error'))': /simple/awscli/
  Could not find a version that satisfies the requirement awscli (from versions: )
  No matching distribution found for awscli
  </code></pre>
  
  <p>When I try the below command I get the same error as above:</p>
  
  <pre><code>pip3 install --trusted-host pypi.org --trusted-host pypi.python.org --trusted-host files.pythonhosted.org awscli
  </code></pre>
  
  <p>I would appreciate any help. Thanks!</p>