PEP8 cosmetics.

4 jobs for issue77_2 in 10 minutes and 16 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
passed test_min #163292

00:01:16

passed test_mpi #163293

00:02:29

passed test_mpi_fftw #163294

00:02:47

passed test_mpi_fftw_hdf5 #163295

00:03:43

45.0%