code: def _raise_exception(self, eobj, edata=None):
          
          _, _, tbobj = sys.exc_info()
          if edata:
              emsg = self._format_msg(eobj["msg"], edata)
              _rwtb(eobj["type"], emsg, tbobj)
          else:
              _rwtb(eobj["type"], eobj["msg"], tbobj)
docs: Raise exception by name.