Polish

gt_matlab_trajs.py

@@ -80,6 +80,8 @@ for trajectory in trajectories.values():
     key = trajectory[0]
     for val in trajectory:
         node = util.find_vertex(g, g.vp.name, val)
+        # (Maybe a loop with a break on the first match is faster. To
+        # be tested.)
 
         if len(node) != 1:
             print('Something is wrong.')