Class SelectorError

 object --+ 
 | 
exceptions.BaseException --+ 
 | 
 exceptions.Exception --+
 |
 SelectorError

Known Subclasses:

• xpath.ExpressionError
• , SelectorSyntaxError

Common parent for :class:`SelectorSyntaxError` and
:class:`ExpressionError`.
You can just use ``except SelectorError:`` when calling
:meth:`~GenericTranslator.css_to_xpath` and handle both exceptions types.