code: def migrateProvPre010(self, newslab):
          '''
          Check for any pre-010 provstacks and migrate those to the new slab.
          '''
          did_migrate = self._migrate_db_pre010('prov', newslab)
          if not did_migrate:
              return
  
          self._migrate_db_pre010('provs', newslabf migrateProvPre010(self, newslab):
          '''
          Check for any pre-010 provstacks and migrate those to the new slab.
          '''
          did_migrate = self._migrate_db_pre010('prov', newslab)
          if not did_migrate:
              return
  
          self._migrate_db_pre010('provs', newslab)
docs: Check for any pre-010 provstacks and migrate those to the new slab.