Remove leading and trailing slashes from a URL

    :param url: URL
    :return: URL with no leading and trailing slashes

    :private:

def normalize_url(url: str) -> str:
    """
    Remove leading and trailing slashes from a URL

    :param url: URL
    :return: URL with no leading and trailing slashes

    :private:
    """
    if url.startswith('/'):
        url = url[1:]

    if url.endswith('/'):
        url = url[:-1]

    return url