From 33054277196e1204b4ce9102bdca93411840c2ed Mon Sep 17 00:00:00 2001
From: Eric Vicenti <ericvicenti@users.noreply.github.com>
Date: Sat, 6 Jan 2018 10:07:58 -0800
Subject: [PATCH] Use new Serialport isOpen boolean API

I was getting errors about isOpen being a boolean, because apparently serialport has changed the API here
---
 lib/EnttecUsbProMk2Driver.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/EnttecUsbProMk2Driver.js b/lib/EnttecUsbProMk2Driver.js
index 8091392..763b983 100644
--- a/lib/EnttecUsbProMk2Driver.js
+++ b/lib/EnttecUsbProMk2Driver.js
@@ -82,7 +82,7 @@ export default class EnttecUsbProMk2Driver {
    * @private
    */
   awaitSerialportOpened() {
-    if (this.serialport.isOpen()) {
+    if (this.serialport.isOpen) {
       return Promise.resolve(this.serialport);
     }