Computation times

00:41.645 total execution time for 5 files from auto_examples/geospatial:

Example	Time	Mem (MB)
Graphs from a set of lines (plot_lines.py)	00:22.469	0.0
Delaunay graphs from geographic points (plot_delaunay.py)	00:12.192	0.0
OpenStreetMap with OSMnx (plot_osmnx.py)	00:04.209	0.0
Graphs from geographic points (plot_points.py)	00:02.427	0.0
Graphs from Polygons (plot_polygons.py)	00:00.348	0.0