title: Error "/usr/local/bin/python: No module named pip"
body: <p>I installed pip, but if I try to install a package with</p>
  <pre><code>python -m pip install requests
  </code></pre>
  <p>it says</p>
  <pre class="lang-none prettyprint-override"><code>/usr/local/bin/python: No module named pip
  </code></pre>
  <p>How can I figure out where the problem is?</p>
  <p>The problem is not with pip, but that the modules are not installed in the right way, so I can’t use them in Python. I am using <a href="https://en.wikipedia.org/wiki/Ubuntu_version_history#Ubuntu_15.04_.28Vivid_Vervet.29" rel="nofollow noreferrer">Ubuntu 15.04</a> (Vivid Vervet).</p>