code: def is_all_field_none(self):
          
  
          if self._iban is not None:
              return False
  
          if self._display_name is not None:
              return False
  
          if self._avatar is not None:
              return False
  
          if self._label_user is not None:
              return False
  
          if self._country is not None:
              return False
  
          if self._bunq_me is not None:
              return False
  
          if self._is_light is not None:
              return False
  
          if self._swift_bic is not None:
              return False
  
          if self._swift_account_number is not None:
              return False
  
          if self._transferwise_account_number is not None:
              return False
  
          if self._transferwise_bank_code is not None:
              return False
  
          return True
docs: :rtype: bool