title: How to solve "virtualenv: error: the following arguments are required: dest" error?
body: <p>As the title says, I keep on having that error and I don't know how to solve it.</p>
  <p>The error, as the title says is</p>
  <pre><code>virtualenv: error: the following arguments are required: dest
  </code></pre>
  <p>The command I entered was</p>
  <pre><code>virtualenv
  </code></pre>
  <p>I am running this on a MAC and on python</p>