Class BadItem

Lib/test/test_csv.py:204–206

                    raise OSError
        self._write_error_test(OSError, BadList())
        class BadItem:
            def __str__(self):
                raise OSError
        self._write_error_test(OSError, [BadItem()])
    def test_write_bigfield(self):
        # This exercises the buffer realloc functionality