Bake a `yamllint` command so it's ready to execute and returns None.

        :return: None

def bake(self):
        """
        Bake a `yamllint` command so it's ready to execute and returns None.

        :return: None
        """
        self._yamllint_command = sh.yamllint.bake(
            self.options,
            self._tests,
            _env=self.env,
            _out=LOG.out,
            _err=LOG.error)