title: python, time data .. does not match .. error
body: <p>I tried to submit a time var with value of <code>2016-03-12T01:47:57+00:00</code> in a timestamp field, it gives me error saying to check the syntax for errors, however when I use a function to normalize the date </p>
  
  <pre><code>   t = datetime.datetime.strptime(data['time'], '%Y-%m-%dT%H:%M:%SZ').strftime('%Y-%m-%d:%H:%M:%S')
  </code></pre>
  
  <p>I get an error like this. </p>
  
  <blockquote>
    <p>time data '2016-03-12T01:47:57+00:00' does not match format '%Y-%m-%dT%H:%M:%SZ'</p>
  </blockquote>