title: pyvenv-3.4 returned non-zero exit status 1
body: <p>I'm in Kubuntu 14.04 , I want to create a virtualenv with python3.4. I did with python2.7 before in other folder. But when I try:</p>
  
  <pre><code>pyvenv-3.4 venv
  </code></pre>
  
  <p>I've got:</p>
  
  <p><code>Error: Command '['/home/fmr/projects/ave/venv/bin/python3.4', '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit status 1</code></p>