Proxy.js Error
Node Version: 6.7.11

C:\indospace.io\services\node_modules\coin-hive-stratum\src\proxy.js:606
      wss.on("connection", async (ws, req) => {
                                 ^

SyntaxError: Unexpected token (
    at createScript (vm.js:56:10)
    at Object.runInThisContext (vm.js:97:10)
    at Module._compile (module.js:542:28)
    at Object.Module._extensions..js (module.js:579:10)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)
    at Function.Module._load (module.js:438:3)
    at Module.require (module.js:497:17)
    at require (internal/module.js:20:19)
    at Server.<anonymous> (C:\indospace.io\services\app_service.js:317:49)
    at Server.g (events.js:292:16)
    at emitNone (events.js:86:13)
    at Server.emit (events.js:185:7)
    at emitListeningNT (net.js:1288:10)
    at _combinedTickCallback (internal/process/next_tick.js:77:11)
    at process._tickCallback (internal/process/next_tick.js:104:9)
