def _get_content(context, page, content_type, lang, fallback=True):
    """Helper function used by ``PlaceholderNode``."""
    if not page:
        return ''

    if not lang and context in 'lang':
        lang = context.get('lang', pages_settings.PAGE_DEFAULT_LANGUAGE)

    page = get_page_from_string_or_id(page, lang)

    if not page:
        return ''

    content = Content.objects.get_content(page, lang, content_type, fallback)
    return content
dataset/ETHPy150Open batiste/django-page-cms/pages/templatetags/pages_tags.py/_get_content/swapped operands of `in`