gistfile1.txt

        if is_octoprint_compatible(">=1.3.7"):
            return (None, None, self.temps)
        else:

            prefix = textwrap.dedent(
                     """
                     {{% if plugins is not defined %}}
                     {{% set plugins = {{}} %}}
                     {{% endif %}}
                     {{% set _ = plugins.update({{"{{}}}": {}}}) %}}
                     """.format("preheat", self.temps))
                     
            return (prefix, None)