SystemCheckError: System check identified some issues:

ERRORS:
?: (urls.E007) The custom handler400 view 'swh.web.common.exc.swh_handle400' does not take the correct number of arguments (request, exception).
?: (urls.E007) The custom handler403 view 'swh.web.common.exc.swh_handle403' does not take the correct number of arguments (request, exception).
?: (urls.E007) The custom handler404 view 'swh.web.common.exc.swh_handle404' does not take the correct number of arguments (request, exception).