Question about !makeitrain script

hey  there ,

my problem is that i cant see the GIF animation in my OBS Studio - added it as a browser source i tried the "URL" Link to the file after i opened the "index.html" i also tried the local data option and searched for  the "index.html" and added it..

but seems like everything is ok , i checked if the API key is correct and imported and it is ...its weird