Not Work Tag <picture>

[amixel]

Hi, not work TAG html <picture> and <source>

<picture>
  <source srcset="images/filename.webp" type="image/webp">
  <source srcset="images/filename.jpg" type="image/jpeg"> 
  <img src="images/filename.jpg" alt="Alt text of the image">
</picture>

Not convert to AMP

[amixel]

Link exemple correct: https://cloudhoreca.com/en/blog/amp-webp-fallback.html