def _handle_exception(self, row, exception):
self._log('<STR_LIT>'.format(self._source_reader.row_number))<EOL>self._log(row)<EOL>self._log(str(exception))<EOL>self._log(traceback.format_exc())<EOL>
Logs an exception occurred during transformation of a row.

:param list|dict|() row: The source row.
:param Exception exception: The exception.