Working with data in d3, reference error : d3 not defined

I am getting an error :

Uncaught ReferenceError: d3 is not defined

for my code

  const dataset = [12, 31, 22, 17, 25, 18, 29, 14, 9];

  // Add your code below this line'body').selectAll('h2')
  .text('New Title');

  // Add your code above this line

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36.

Challenge: Work with Data in D3

Link to the challenge:

Welcome @riteshrs !

I am seeing the same issue. There is also an issue with other challenges requiring dependencies (React, Redux) seem to also being having errors. Thanks for posting here, I added D3 to the github issue.