code: def set_goterm(self, go2obj):
          
          if self.GO in go2obj:
              goterm = go2obj[self.GO]
              self.goterm = goterm
              self.name = goterm.name
              self.depth = goterm.depth
              self.NS = self.namespace2NS[self.goterm.namespace]
docs: Set goterm and copy GOTerm's name and namespace.