Computation times

00:00.849 total execution time for 3 files from examples/python/transport:

Example	Time	Mem (MB)
High-Pressure transport using two models (high_pressure_transport.py)	00:00.831	0.0
Porous media transport using the dusty gas model (dusty_gas.py)	00:00.018	0.0
Parallelizing transport property calculations (multiprocessing_viscosity.py)	00:00.000	0.0