def _new_gnu_trans(self, localedir, use_null_fallback=True):
use_null_fallback = False<EOL>return gettext_module.translation(<EOL>domain=self.domain,<EOL>localedir=localedir,<EOL>languages=[self.language],<EOL>codeset='<STR_LIT:utf-8>',<EOL>fallback=use_null_fallback)<EOL>
Return a mergeable gettext.GNUTranslations instance.

A convenience wrapper. By default gettext uses 'fallback=False'.
Using param `use_null_fallback` to avoid confusion with any other
references to 'fallback'.