title: Can't display visual in Power Bi
body: <p>I'm trying to create a custom visual in Power Bi using Python script. My data source is from my excel file and it load properly. But whenever I will type my script in the python script editor and execute it, it always giving me the same error of can't display this visual. Anyone who can help me resolve this? 
  <a href="https://i.stack.imgur.com/LAAoR.png" rel="nofollow noreferrer">Error Message</a>
  <a href="https://i.stack.imgur.com/boAPX.png" rel="nofollow noreferrer">Script</a></p>