title: Python3 can not find module xmlrpc from unittests
body: <p>I am working on a python project with 2 other people, but I can't run our tests. When I run the tests using <code>python3 -m unittest</code> I get this output</p>
  
  <pre><code>Traceback (most recent call last):
  Traceback (most recent call last):
    File "Peer.py", line 1, in &lt;module&gt;
    File "Peer.py", line 1, in &lt;module&gt;
      from xmlrpc.client import ServerProxy
      from xmlrpc.client import ServerProxy
  ImportError: No module named xmlrpc.client
  ImportError: No module named xmlrpc.client
  </code></pre>
  
  <p>Line 1 in Peer.py is</p>
  
  <pre><code>from xmlrpc.client import ServerProxy
  </code></pre>
  
  <p>The strange thing is that when I run Peer.py independently (<code>python3 Peer.py</code>) there are no problems. And it also works like a charm in the shell</p>
  
  <pre><code>Python 3.3.1 (v3.3.1:d9893d13c628, Apr  6 2013, 11:07:11) 
  [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
  Type "help", "copyright", "credits" or "license" for more information.
  &gt;&gt;&gt; import xmlrpc.client
  &gt;&gt;&gt; 
  </code></pre>
  
  <p>The 2 people I work with don't have any problems, and we are running the same code from version control. I get the same error on both OS X and Ubuntu, whereas they run Windows.</p>