fix for backends with no name
fix for backends with no name

opendreambox/python-coherence,ismaelgaudioso/Coherence,furbrain/Coherence,unintended/Cohen,coherence-project/Coherence,sreichholf/python-coherence,furbrain/Coherence,unintended/Cohen,coherence-project/Coherence,ismaelgaudioso/Coherence,sreichholf/python-coherence,opendreambox/python-coherence