proc newWebSocket(req: Request): Future[WebSocket]
  first type mismatch at position: 2
  extra argument given
proc newWebSocket(url: string; protocol: string = ""): Future[WebSocket]
  first type mismatch at position: 1
  required type for url: string
  but expression 'req' is of type: Request

expression: newWebSocket(req, "default")


line 85, hmm in another project i can call np
https://github.com/treeform/ws/blob/master/src/ws.nim#L85