Suppress the matplotlib warning on building fonts.
Suppress the matplotlib warning on building fonts.


Former-commit-id: 3be790b693fc0cdedc0140d0f404f32ab93e7466 [formerly 49c32f6a94898ff56a6e6c7dc8edc5cccf15ab95]
Former-commit-id: e9b218838ebead4f464b03377223871b6edc8177
Former-commit-id: 3832133211443acf381a9503627fee865ba6146c
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox