code: def is_all_field_none(self):
          
  
          if self._uuid is not None:
              return False
  
          if self._type_ is not None:
              return False
  
          if self._second_line is not None:
              return False
  
          if self._expiry_date is not None:
              return False
  
          if self._status is not None:
              return False
  
          if self._label_user is not None:
              return False
  
          return True
docs: :rtype: bool