[Getfem-commits] sort import of python script by using isort

[Tetsuo Koyama]

Hello GetFEM++ project.

I sorted the import of python script by using isort.
https://github.com/timothycrosley/isort

This tool makes import depends on the pep8.
https://www.python.org/dev/peps/pep-0008/#imports
Could you merge devel-tetsuo-isort?
It passed the test.

Thank you for reading.