diff --git a/electrum/gui/qml/components/AddressDetails.qml b/electrum/gui/qml/components/AddressDetails.qml
index 6cbe6e848..eb5d815fa 100644
--- a/electrum/gui/qml/components/AddressDetails.qml
+++ b/electrum/gui/qml/components/AddressDetails.qml
@@ -123,7 +123,7 @@ Pane {
                             icon.color: 'transparent'
                             onClicked: {
                                 labelContent.editmode = false
-                                addressdetails.set_label(labelEdit.text)
+                                addressdetails.setLabel(labelEdit.text)
                             }
                         }
                         ToolButton {
diff --git a/electrum/gui/qml/components/LightningPaymentDetails.qml b/electrum/gui/qml/components/LightningPaymentDetails.qml
index 097643947..5d6d03e78 100644
--- a/electrum/gui/qml/components/LightningPaymentDetails.qml
+++ b/electrum/gui/qml/components/LightningPaymentDetails.qml
@@ -120,7 +120,7 @@ Pane {
                         icon.color: 'transparent'
                         onClicked: {
                             labelContent.editmode = false
-                            lnpaymentdetails.set_label(labelEdit.text)
+                            lnpaymentdetails.setLabel(labelEdit.text)
                         }
                     }
                     ToolButton {
diff --git a/electrum/gui/qml/components/OpenChannelDialog.qml b/electrum/gui/qml/components/OpenChannelDialog.qml
index 8c3e13816..63b293119 100644
--- a/electrum/gui/qml/components/OpenChannelDialog.qml
+++ b/electrum/gui/qml/components/OpenChannelDialog.qml
@@ -95,7 +95,7 @@ ElDialog {
                         icon.height: constants.iconSizeMedium
                         icon.width: constants.iconSizeMedium
                         onClicked: {
-                            if (channelopener.validate_connect_str(AppController.clipboardToText())) {
+                            if (channelopener.validateConnectString(AppController.clipboardToText())) {
                                 channelopener.connectStr = AppController.clipboardToText()
                                 node.text = channelopener.connectStr
                             }
@@ -111,7 +111,7 @@ ElDialog {
                                 hint: qsTr('Scan a channel connect string')
                             })
                             dialog.onFound.connect(function() {
-                                if (channelopener.validate_connect_str(dialog.scanData)) {
+                                if (channelopener.validateConnectString(dialog.scanData)) {
                                     channelopener.connectStr = dialog.scanData
                                     node.text = channelopener.connectStr
                                 }
@@ -196,7 +196,7 @@ ElDialog {
             text: qsTr('Open Channel')
             icon.source: '../../icons/confirmed.png'
             enabled: channelopener.valid
-            onClicked: channelopener.open_channel()
+            onClicked: channelopener.openChannel()
         }
     }
 
@@ -225,7 +225,7 @@ ElDialog {
             var dialog = app.messageDialog.createObject(app, { 'text': message, 'yesno': true })
             dialog.open()
             dialog.accepted.connect(function() {
-                channelopener.open_channel(true)
+                channelopener.openChannel(true)
             })
         }
         onFinalizerChanged: {
diff --git a/electrum/gui/qml/components/TxDetails.qml b/electrum/gui/qml/components/TxDetails.qml
index 624f5aaab..1625d1f6f 100644
--- a/electrum/gui/qml/components/TxDetails.qml
+++ b/electrum/gui/qml/components/TxDetails.qml
@@ -212,7 +212,7 @@ Pane {
                                 icon.color: 'transparent'
                                 onClicked: {
                                     labelContent.editmode = false
-                                    txdetails.set_label(labelEdit.text)
+                                    txdetails.setLabel(labelEdit.text)
                                 }
                             }
                             ToolButton {
diff --git a/electrum/gui/qml/qeaddressdetails.py b/electrum/gui/qml/qeaddressdetails.py
index 2d910c160..0b23dcbbf 100644
--- a/electrum/gui/qml/qeaddressdetails.py
+++ b/electrum/gui/qml/qeaddressdetails.py
@@ -94,7 +94,7 @@ class QEAddressDetails(QObject):
             self._wallet.balanceChanged.emit()
 
     @pyqtSlot(str)
-    def set_label(self, label: str):
+    def setLabel(self, label: str):
         if label != self._label:
             self._wallet.wallet.set_label(self._address, label)
             self._label = label
diff --git a/electrum/gui/qml/qechannelopener.py b/electrum/gui/qml/qechannelopener.py
index 16433258d..08d855764 100644
--- a/electrum/gui/qml/qechannelopener.py
+++ b/electrum/gui/qml/qechannelopener.py
@@ -132,7 +132,7 @@ class QEChannelOpener(QObject, AuthMixin):
         self.validChanged.emit()
 
     @pyqtSlot(str, result=bool)
-    def validate_connect_str(self, connect_str):
+    def validateConnectString(self, connect_str):
         try:
             node_id, rest = extract_nodeid(connect_str)
         except ConnStringFormatError as e:
@@ -143,7 +143,7 @@ class QEChannelOpener(QObject, AuthMixin):
     # FIXME "max" button in amount_dialog should enforce LN_MAX_FUNDING_SAT
     @pyqtSlot()
     @pyqtSlot(bool)
-    def open_channel(self, confirm_backup_conflict=False):
+    def openChannel(self, confirm_backup_conflict=False):
         if not self.valid:
             return
 
diff --git a/electrum/gui/qml/qelnpaymentdetails.py b/electrum/gui/qml/qelnpaymentdetails.py
index 24250252c..d01988c54 100644
--- a/electrum/gui/qml/qelnpaymentdetails.py
+++ b/electrum/gui/qml/qelnpaymentdetails.py
@@ -50,7 +50,7 @@ class QELnPaymentDetails(QObject):
         return self._label
 
     @pyqtSlot(str)
-    def set_label(self, label: str):
+    def setLabel(self, label: str):
         if label != self._label:
             self._wallet.wallet.set_label(self._key, label)
             self._label = label
diff --git a/electrum/gui/qml/qetxdetails.py b/electrum/gui/qml/qetxdetails.py
index e1af555aa..8ff2cc6b2 100644
--- a/electrum/gui/qml/qetxdetails.py
+++ b/electrum/gui/qml/qetxdetails.py
@@ -126,7 +126,7 @@ class QETxDetails(QObject, QtEventListener):
         return self._label
 
     @pyqtSlot(str)
-    def set_label(self, label: str):
+    def setLabel(self, label: str):
         if label != self._label:
             self._wallet.wallet.set_label(self._txid, label)
             self._label = label