Support the case where DAN does not output anything

Current version crashes (at least on NER) because it tries to compute probabilities on empty indices. We should skip most of that computation altogether when no text is predicted.

added Bug P2 Quick Win labels

requested review from @starride

assigned to @yschneider

added 1 commit

• 702cb834 - Add default fields

Compare with previous version

Looks good to me, although I don't have a real case to test it on.

approved this merge request

merged