In OSM we only map what we have seen with our own eyes, as recently as possible.

The street was put one-way last summer when they implemented a new traffic scheme across the entire Cureghem area.  They reverted almost everything around October-November because residents were protesting heavily, and launched a new study.

If you have surveyed the place in the last weeks and if you are sure it was a one-way street here, then it is fine and we will keep it.  Where does your information come from?