Assertion: exception's argument | /r/HasProperty | optional
Facets:
Source sentences:
text: The argument is optional; if not supplied, the exception argument is None.
text: The final argument, traceback, is also optional (and rarely used in practice), and if present, is the traceback object used for the exception.
text: The argument is optional; if not supplied, the exception argument is None.
text: The final argument, traceback, is also optional (and rarely used in practice), and if present, is the traceback object used for the exception.