def check_token_file(self):
<EOL>warnings.warn('<STR_LIT>',<EOL>DeprecationWarning)<EOL>return self.token_backend.check_token() if hasattr(self.token_backend, '<STR_LIT>') else None<EOL>
Checks if the token file exists at the given position

        :return: if file exists or not
        :rtype: bool