code: def fetch(self):
          
          params = values.of({})
  
          payload = self._version.fetch(
              'GET',
              self._uri,
              params=params,
          )
  
          return CountryInstance(self._version, payload, iso_code=self._solution['iso_code'], )
docs: Fetch a CountryInstance
  
          :returns: Fetched CountryInstance
          :rtype: twilio.rest.voice.v1.dialing_permissions.country.CountryInstance