old_contents: from .brainsuite import (Bse, Bfc, Pvc, Cerebro, Cortex, Scrubmask, Tca,
                           Dewisp, Dfs, Pialmesh, Skullfinder, Hemisplit)
  
new_contents: from .brainsuite import (Bse, Bfc, Pvc, Cerebro, Cortex, Scrubmask, Tca,
                           Dewisp, Dfs, Pialmesh, Skullfinder, Hemisplit,
                           SVReg, BDP)
  
subject: Add SVReg and BDP to import