def _update_strl_names(self):
<EOL>for orig, new in self._converted_names.items():<EOL><INDENT>if orig in self._convert_strl:<EOL><INDENT>idx = self._convert_strl.index(orig)<EOL>self._convert_strl[idx] = new<EOL><DEDENT><DEDENT>
Update column names for conversion to strl if they might have been
        changed to comply with Stata naming rules