fix wrong import statement; some consistency improvements

4 jobs for fftw_for_the_masses in 4 minutes and 54 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed test_min #182310

00:02:08

passed test_mpi #182311

00:03:41

passed test_mpi_fftw #182312

00:04:06

passed test_mpi_fftw_hdf5 #182313

00:04:53

57.0%