Update pnv.js

pnv.js

@@ -181,14 +181,15 @@ var provider = new SignerProvider(ethHost, {
 
     
 }
-try{
+
+
  getPySrc('lcd.py', ['ADD VALIDATOR', 'scan keys..']);
 
 //var read = await getPySrc('rd-rfid.py', []);
 //var write = await getPySrc('wt-rfid.py', ['value1', 'value2', 'value3']);
 
-var action = await new Promise.race([getPySrc('rd-rfid.py', [])]);
-
+new Promise.race([getPySrc('rd-rfid.py', [])]).then(function(action){
+ 
 try{
 
 vAddressPublic=parse(action).pub;
@@ -207,9 +208,11 @@ getPySrc('lcd.py', ['VALIDATOR ADDED', 'testing..']);
   
 }
   
-init();
-
-}catch(e){
+init();   
+}).catch(function(er){
     
- getPySrc('lcd.py', ['error!', e]);
-}
+ getPySrc('lcd.py', ['error!', er]);
+ 
+});
+
+