old_contents: # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
  # vi: set ft=python sts=4 ts=4 sw=4 et:
  from .resample import resample
  from .histogram_registration import (HistogramRegistration, clamp,
                                      ideal_spacing, interp_methods)
  from .affine import (threshold, rotation_mat2vec, rotation_vec2mat, to_matrix44,
                       preconditioner, inverse_affine, subgrid_affine, Affine,
                       Affine2D, Rigid, Rigid2D, Similarity, Similarity2D,
                       affine_transforms)
  from .groupwise_registration import (interp_slice_times, scanner_coords,
                                       make_grid, Image4d, Realign4dAlgorithm,
                                       resample4d, adjust_subsampling,
                                       single_run_realign4d, realign4d,
                                       Realign4d, FmriRealign4d)
  
  from nipy.testing import Tester
  test = Tester().test
  bench = Tester().bench
  
new_contents: # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
  # vi: set ft=python sts=4 ts=4 sw=4 et:
  from .resample import resample
  from .histogram_registration import (HistogramRegistration, clamp,
                                      ideal_spacing, interp_methods)
  from .affine import (threshold, rotation_mat2vec, rotation_vec2mat, to_matrix44,
                       preconditioner, inverse_affine, subgrid_affine, Affine,
                       Affine2D, Rigid, Rigid2D, Similarity, Similarity2D,
                       affine_transforms)
  from .groupwise_registration import (interp_slice_times, scanner_coords,
                                       make_grid, Image4d, Realign4dAlgorithm,
                                       resample4d, adjust_subsampling,
                                       single_run_realign4d, realign4d,
                                       SpaceTimeRealign,
                                       Realign4d, FmriRealign4d)
  
  from nipy.testing import Tester
  test = Tester().test
  bench = Tester().bench
  
subject: fix import error