def _fbconfig_value(self, name, default=None):
        if name in FACEBOOK_CONFIG:
            default = FACEBOOK_CONFIG[name]
            
        return getattr(self, name, default)
Checks the global config dictionary and then for a class/instance
dataset/ETHPy150Open benadida/helios-server/helios_auth/auth_systems/facebookclient/webappfb.py/FacebookRequestHandler._fbconfig_value