title: What is the global default timeout
body: <p>Python 3.4 .
  Trying to find what is the default timeout in urllib.request.urlopen() .</p>
  
  <p>Its signature is:
  urllib.request.urlopen(url, data=None, [timeout, ]*, cafile=None, capath=None, cadefault=False, context=None)</p>
  
  <p>The <a href="https://docs.python.org/3/library/urllib.request.html">doc</a> says that its "global default timeout", and looking at the code its:
  socket._GLOBAL_DEFAULT_TIMEOUT</p>
  
  <p>Still what is the actual value in secs?</p>