defined instead of !empty
defined instead of !empty

jochenklar/daiquiri,jochenklar/daiquiri,aipescience/daiquiri,aipescience/daiquiri,aipescience/daiquiri,adrpar/daiquiri,jochenklar/daiquiri,adrpar/daiquiri,jochenklar/daiquiri,aipescience/daiquiri,adrpar/daiquiri,adrpar/daiquiri