@access_control_allow_credentials.setter
def access_control_allow_credentials(self, value):
    if (value is True):
        self.headers['Access-Control-Allow-Credentials'] = 'true'
    else:
        self.headers.pop('Access-Control-Allow-Credentials', None)
@access_control_allow_credentials.setter
def access_control_allow_credentials(self, value):
    if (value is True):
        self.headers['Access-Control-Allow-Credentials'] = 'true'
    else:
        self.headers.pop('Access-Control-Allow-Credentials', None)