fixed coding error in python/triangulation.py
fixed coding error in python/triangulation.py

jmichel-otb/s2p,MISS3D/s2p,MISS3D/s2p,carlodef/s2p,dyoussef/s2p,carlodef/s2p,dyoussef/s2p,jmichel-otb/s2p,dyoussef/s2p,jmichel-otb/s2p,mnhrdt/s2p,mnhrdt/s2p,MISS3D/s2p,jmichel-otb/s2p,MISS3D/s2p,dyoussef/s2p