title: In Google collab I get IOPub data rate exceeded
body: <p>IOPub data rate exceeded.
  The notebook server will temporarily stop sending output
  to the client in order to avoid crashing it.
  To change this limit, set the config variable
  <code>--NotebookApp.iopub_data_rate_limit</code>.</p>
  
  <p>Current values:</p>
  
  <pre><code>NotebookApp.iopub_data_rate_limit=1000000.0 (bytes/sec)
  NotebookApp.rate_limit_window=3.0 (secs)
  </code></pre>