Fix bug

src/api/streaming.ts

@@ -1,6 +1,7 @@
 import * as http from 'http';
 import * as websocket from 'websocket';
 import * as redis from 'redis';
+import config from '../conf';
 import User from './models/user';
 import AccessToken from './models/access-token';
 import isNativeToken from './common/is-native-token';