title: What does tuple index out of range mean?
body: <p>Can anybody shed some light on why:</p>
  
  <pre><code>print('{0} complete (down: {1} kb/s up: {2} kb/s {3} peers: {4} {5}'.format('state.progress * 100', 'state.download_rate / 1000', 'state.upload_rate / 1000', 'state.num_peers', 'state_str[state.state]'))
  </code></pre>
  
  <p>Results in a tuple index out of range?</p>