diff --git a/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js b/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js
index 41dc81ec2..2902f9eb1 100644
--- a/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js
+++ b/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js
@@ -571,8 +571,6 @@ async function serialSigner(path) {
             // noting to do here yet
             break
         }
-
-        
       },
       hwwPair: async function () {
         try {
@@ -637,30 +635,36 @@ async function serialSigner(path) {
           .getSharedSecret(this.decryptionKey, hwwPublicKey)
           .slice(1, 33)
 
-        const sharedSecretHex = nobleSecp256k1.utils.bytesToHex(this.sharedSecret)
-        const sharedSecredHash = await nobleSecp256k1.utils.sha256(asciiToUint8Array(sharedSecretHex))
-        const fingerprint = nobleSecp256k1.utils.bytesToHex(sharedSecredHash).substring(0, 5).toUpperCase()
+        const sharedSecretHex = nobleSecp256k1.utils.bytesToHex(
+          this.sharedSecret
+        )
+        const sharedSecredHash = await nobleSecp256k1.utils.sha256(
+          asciiToUint8Array(sharedSecretHex)
+        )
+        const fingerprint = nobleSecp256k1.utils
+          .bytesToHex(sharedSecredHash)
+          .substring(0, 5)
+          .toUpperCase()
         console.log('### fingerprint', fingerprint)
-        // 
+        //
 
         LNbits.utils
-        .confirmDialog('Confirm code from display: '+fingerprint)
-        .onOk(() => {
-          this.addPairedDevice(
-            this.deviceId,
-            nobleSecp256k1.utils.bytesToHex(this.sharedSecret)
-          )
-  
-  
-          this.$q.notify({
-            type: 'positive',
-            message: 'Paired with device!',
-            timeout: 5000
-          })
-        }).onCancel(() => {
-          this.closeSerialPort()
-        })
+          .confirmDialog('Confirm code from display: ' + fingerprint)
+          .onOk(() => {
+            this.addPairedDevice(
+              this.deviceId,
+              nobleSecp256k1.utils.bytesToHex(this.sharedSecret)
+            )
 
+            this.$q.notify({
+              type: 'positive',
+              message: 'Paired with device!',
+              timeout: 5000
+            })
+          })
+          .onCancel(() => {
+            this.closeSerialPort()
+          })
       },
       hwwHelp: async function () {
         try {
diff --git a/lnbits/extensions/watchonly/static/components/wallet-config/wallet-config.html b/lnbits/extensions/watchonly/static/components/wallet-config/wallet-config.html
index 7b5270365..748d650df 100644
--- a/lnbits/extensions/watchonly/static/components/wallet-config/wallet-config.html
+++ b/lnbits/extensions/watchonly/static/components/wallet-config/wallet-config.html
@@ -1,7 +1,6 @@
 <div>
   <q-card>
     <div class="row items-center no-wrap q-mb-md">
-
       <div class="col-md-2 col-xs-4 q-ml-lg">
         <q-btn unelevated @click="show = true" color="primary" icon="settings">
         </q-btn>
diff --git a/lnbits/extensions/watchonly/static/js/utils.js b/lnbits/extensions/watchonly/static/js/utils.js
index ccfc60e2b..d21534066 100644
--- a/lnbits/extensions/watchonly/static/js/utils.js
+++ b/lnbits/extensions/watchonly/static/js/utils.js
@@ -19,7 +19,6 @@ const COMMAND_CHECK_PAIRING = '/check-pairing'
 const DEFAULT_RECEIVE_GAP_LIMIT = 20
 const PAIRING_CONTROL_TEXT = 'lnbits'
 
-
 const blockTimeToDate = blockTime =>
   blockTime ? moment(blockTime * 1000).format('LLL') : ''
 
diff --git a/lnbits/extensions/watchonly/templates/watchonly/index.html b/lnbits/extensions/watchonly/templates/watchonly/index.html
index f3ac573e3..5108da91f 100644
--- a/lnbits/extensions/watchonly/templates/watchonly/index.html
+++ b/lnbits/extensions/watchonly/templates/watchonly/index.html
@@ -189,7 +189,6 @@
           icon="launch"
           type="a"
           :href="'https://' + mempoolHostname + '/address/' + currentAddress.address"
-
           target="_blank"
         ></q-btn>
       </p>
diff --git a/tools/conv.py b/tools/conv.py
index ccde041b7..5084660ff 100644
--- a/tools/conv.py
+++ b/tools/conv.py
@@ -151,6 +151,7 @@ def build_insert_query(schema, tableName, columns):
             VALUES ({values});
         """
 
+
 def to_column_type(columnType):
     if columnType == "TIMESTAMP":
         return "to_timestamp(%s)"