Added `distribution_strategy=x.distribution_strategy` to default fields in InvertibleOperatorMixin

5 jobs for master in 14 minutes and 38 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #209426
test_min

00:03:38

passed #209427
test_mpi

00:06:01

passed #209428
test_mpi_fftw

00:06:35

passed #209429
test_mpi_fftw_hdf5

00:07:55

66.0%
 
  Release
passed #209430
release_image_master

00:06:42