code: def getProvStack(self, iden: bytes):
          '''
          Returns the provenance stack given the iden to it
          '''
          retn = self.slab.get(iden, db=self.db)
          if retn is None:
              return None
  
          return s_msgpack.un(retnf getProvStack(self, iden: bytes):
          '''
          Returns the provenance stack given the iden to it
          '''
          retn = self.slab.get(iden, db=self.db)
          if retn is None:
              return None
  
          return s_msgpack.un(retn)
docs: Returns the provenance stack given the iden to it