def pretty_text(cls, cfg: dict, indent=2) -> str:
        """format dict to a string

        Args:
            cfg (EasyDict): the params.

        Returns: The string to display.

        """
        msg = "{\n"
        for i, (k, v) in enumerate(cfg.items()):
            if isinstance(v, dict):
                v = cls.pretty_text(v, indent + 4)
            spaces = " " * indent
            msg += spaces + "{}: {}".format(k, v)
            if i == len(cfg) - 1:
                msg += " }"
            else:
                msg += "\n"
        return msg
format dict to a string

        Args:
            cfg (EasyDict): the params.

        Returns: The string to display.

        
video_chat2/utils/config.py