Store upload scan failed for ubuntu-calculator-app

[noreply at launchpad.net]

Launchpad uploaded this snap package to the store, but the store failed to
scan it:

  interface 'unity8' not found in base declaration
unknown plugs interface name reference 'unity8'

-- 
https://launchpad.net/~phablet-team/+snap/ubuntu-calculator-app/+build/12402
Your team Ubuntu Phablet Team is the requester of the build.