new_contents: """Top-level namespace for spm."""
  
  from nipype.interfaces.spm.base import (SpmInfo, SpmMatlabCommandLine,
                                          scans_for_fname, scans_for_fnames)
  from nipype.interfaces.spm.preprocess import (SliceTiming, Realign, Coregister,
                                                Normalize, Segment, Smooth)
  from nipype.interfaces.spm.model import (Level1Design, EstimateModel,
                                           EstimateContrast, OneSampleTTest,
                                           TwoSampleTTest, MultipleRegression)
  
  
subject: Add spm imports at package level. Most tests pass now.