There is a Putamayo CD "Acoustic France" and another "Paris Cafe`" that seem to indicate some sort of a scene.
There is also a Putamayo radio hours that highlights different venues arouond the world and according to Dan Storpher and Rosalie Howard (owners of Putamayo series) there is a thriving acoustic scene in Paris as well as a thriving World Music scene:
Again, I am relying on secondary scources but many of the West African/ Conglese Rumba performers: Amadou Y Mariam, Papa Wemba, Ayo and Koffi Otimude are well received in France.
Perhaps someone living in France or has recently visited can verify this