code: def fetch(self):
          
          LOGGER.debug('Fetching %s, %s', self._path, self._search_values)
          response = self._session.get(self._path, self._search_values,
                                       {'_return_fields': self._return_fields})
          if response.status_code == 200:
              values = response.json()
              self._assign(values)
              return bool(values)
          elif response.status_code >= 400:
              try:
                  error = response.json()
                  raise exceptions.ProtocolError(error['text'])
              except ValueError:
                  raise exceptions.ProtocolError(response.content)
          return False
docs: Attempt to fetch the object from the Infoblox device. If successful
          the object will be updated and the method will return True.
  
          :rtype: bool
          :raises: infoblox.exceptions.ProtocolError