Allow tuple also in format attribute string.
Allow tuple also in format attribute string.

EricssonResearch/calvin-base,EricssonResearch/calvin-base,KaptenJon/calvin-base,les69/calvin-base,KaptenJon/calvin-base,les69/calvin-base,EricssonResearch/calvin-base,EricssonResearch/calvin-base,les69/calvin-base,KaptenJon/calvin-base,les69/calvin-base