title: Python dateutil date conversion
body: <p>I'm trying to see if a list of dates are valid dates. I'm using the dateutil library, but I'm getting weird results. For example, when I try the following:</p>
  
  <pre><code>import dateutil.parser as parser
  x = '10/84'
  date = (parser.parse(x))
  print(date.isoformat())
  </code></pre>
  
  <p>I get the result <code>1984-10-12T00:00:00</code> which is wrong. Does anyone know why this <code>12</code> gets added to the date?</p>