Problems while searching for a new upstream version

package:
golang-github-juju-ansiterm
severity:
high
created:
2018-01-26
last updated:
2020-02-17

uscan had problems while searching for a new upstream version:
In debian/watch no matching files for watch line
  https://github.com/juju/ansiterm/tags .*/v?(\d\S*)\.tar\.gz