title: module 'ipyparallel' has no attribute 'Cluster'
body: <p>I am going through the tutorial to learn ipyparallel and while doing so, I got the error &quot;AttributeError: module 'ipyparallel' has no attribute 'Cluster'
  &quot; while trying to initialize a cluster. I uninstalled and reinstalled the package but the error persisted, does anyone have any tips for solving this issue?
  My Code/ Issue:
  <img src="https://i.stack.imgur.com/EvCAr.png" alt="code" />
  Thanks</p>