old_contents: from .pspace import Param
  from .mapper import map_pspace, map_pspace_parallel
  
new_contents: import psyrun.pspace
  from psyrun.pspace import Param
  from psyrun.mapper import map_pspace, map_pspace_parallel, map_pspace_hdd_backed
  from psyrun.scheduler import ImmediateRun, Sqsub
  from psyrun.store import NpzStore, H5Store
  
subject: Update imports.