code: def _get_localized_field_checks(self):
          
          localized_fields_checks = []
          for localized_field in self.instance.localized_fields:
              if self.cleaned_data.get(localized_field) is None:
                  continue
              f = getattr(self.instance.__class__, localized_field, None)
              if f and f.unique:
                  if f.unique:
                      local_name = get_real_fieldname(localized_field, self.language)
                      localized_fields_checks.append((localized_field, local_name))
                      
          return localized_fields_checks
docs: Get the checks we must perform for the localized fields.