def unicode_is_ascii(u_string):
    """Determine if unicode string only contains ASCII characters.

    :param str u_string: unicode string to check. Must be unicode
        and not Python 2 `str`.
    :rtype: bool
    """
    assert isinstance(u_string, str)
    try:
        u_string.encode("ascii")
        return True
    except UnicodeEncodeError:
        return False
Determine if unicode string only contains ASCII characters.

    :param str u_string: unicode string to check. Must be unicode
        and not Python 2 `str`.
    :rtype: bool
    
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/requests/_internal_utils.py