def by_code_or_alias_or_none(self, code):
        try:
            return self.by_code_or_alias(code)
        except Language.DoesNotExist:
            return None
Return a language that matches either with the code or something
dataset/ETHPy150Open rvanlaar/easy-transifex/src/transifex/transifex/languages/models.py/LanguageManager.by_code_or_alias_or_none