First lession on security with helmet is not workng

Tell us what’s happening:

its not working i have installed helmet@3.21.3 and required in app.js ,

and the hint and solution are wrong its for glitch
and in start is says use

Your code so far

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.36.

Challenge: Install and Require Helmet

Link to the challenge:

Welcome, ysaurabh.

Thank you, for letting us know. I have removed the solution and Glitch-related content from the Guide.

In order to be able to help you, we will need to be able to see your code/project. Would you mind sharing a link to your project code?

here it is

Thank you, for sharing that. It looks like the same issue present here:
Has the team updated the courses? - General - The freeCodeCamp Forum

Note: This has been fixed, but the fix has not been pushed to production (pushes typically happen once per week)

Hope this helps

thanks it worked .
again thanks a lot.