Wed Apr 29 12:35:20 2020

neumann_test:
  Python version: 3.6.9
  FENICS version 2019.1.0
  Boundary value problem with Neumann conditions.
Calling FFC just-in-time (JIT) compiler, this may take some time.
  Graphics saved as "neumann_mesh.png"
  Graphics saved as "neumann_solution.png"
  Graphics saved as "neumann_contour.png"
  error_L2  = 0.00037634257374510383

neumann_test:
  Normal end of execution.

Wed Apr 29 12:35:42 2020