NOTE: Will be deprecated from 0.9
        Copying old-style settings for backword-compatibility

def _copy_old_configs(self, user, default):
        """
        NOTE: Will be deprecated from 0.9
        Copying old-style settings for backword-compatibility
        """
        DEPRECATED_SUMMERNOTE_CONFIGS = (
            'width',
            'height',
            'lang',
            'toolbar',
        )
        for key in DEPRECATED_SUMMERNOTE_CONFIGS:
            if user.get(key):
                self.config['summernote'][key] = user.get(key)
            if not self.config['summernote'].get(key):
                self.config['summernote'][key] = default['summernote'].get(key)