title: urllib.request.urlretrieve with proxy?
body: <p>somehow I can't download files trough a proxyserver, and I don't know what i have done wrong. I just get a timeout. Any advice?</p>
  
  <pre><code>import urllib.request
  
  urllib.request.ProxyHandler({"http" : "myproxy:123"})
  urllib.request.urlretrieve("http://myfile", "file.file")
  </code></pre>