.teaser
  for site in sites
    a(href=site.absolute_url)
      span(class='graded-news-org')= site.name
        span(class='grade #{site.grade.class_name}')= site.grade.grade

.teaser
  for site in sites
    a(href=site.absolute_url)
      span(class='graded-news-org')= site.name
        span(class=`grade ${site.grade.class_name}`)= site.grade.grade

Update string interpolation on teaser template
Update string interpolation on teaser template

Pug 2.0 removed their custom interpolation and replaced it with
standard JS template strings.

See https://pugjs.org/api/migration-v2.html#attribute-interpolation
for more information.
