def detect_read_more(bs4tag):
    """
    Not all news has read more thus it must be detected before hand to avoid errors
    For this function a bs4.tag.elemnt is passed as an argument
    It returns an empty string if there is no URL for readmore
    Else it return the URL for readmore
    """
    if bs4tag is None:
        return ""
    return bs4tag["href"]