def is_show_uncategorized(self, request):
        """Return the result of the "?show_uncategorized" query string param"""

        show_uncategorized = request.GET.get('show_uncategorized', False)
        if show_uncategorized is True or show_uncategorized == 'true':
            return True
        return False
def test_exceptions(self):
        self.assert_(issubclass(DeoptionError, TypeError))
        self.assertRaises(TypeError,
            lambda: Optional()
        )
        self.assertRaises(TypeError,
            lambda: Optional(NotPassed, NotPassed)
        )