Fixed mario.wrap([dask]). It was not possible to set the npartitions kwarg

Status Job ID Name Coverage
  Build
passed #196935
docker
build_linux_36

00:03:13

passed #196936
docker
build_linux_37

00:03:13

passed #196933
macosx
build_macosx_36

00:08:49

passed #196934
macosx
build_macosx_37

00:08:38