def s_GROUPPASSWORD(self, value):
    'if set USERPASSWORD of group GROUPPASSWORD same as it\n        if not any value set, key should not exists\n        '
    if (value in (None, DEFAULT_NO_KEY)):
        user_pwd = self.data.get(USERPASSWORD, None)
        if (user_pwd is not None):
            return user_pwd
        else:
            return DEFAULT_NO_KEY
if set USERPASSWORD of group GROUPPASSWORD same as it
if not any value set, key should not exists
def s_GROUPPASSWORD(self, value):
    'if set USERPASSWORD of group GROUPPASSWORD same as it\n        if not any value set, key should not exists\n        '
    if (value in (None, DEFAULT_NO_KEY)):
        user_pwd = self.data.get(USERPASSWORD, None)
        if (user_pwd is not None):
            return user_pwd
        else:
            return DEFAULT_NO_KEY