:return: Whether the engine can process given template file or not.

def supports(cls, template_file=None):
        """
        :return: Whether the engine can process given template file or not.
        """
        if anytemplate.compat.IS_PYTHON_3:
            cls._priority = 99
            return False  # Always as it's not ported to python 3.

        return super(Engine, cls).supports(template_file=template_file)