minor, code style, imports

electrum/gui/qml/qeapp.py

@@ -9,8 +9,8 @@ from typing import TYPE_CHECKING, Set
 
 from PyQt6.QtCore import (pyqtSlot, pyqtSignal, pyqtProperty, QObject, QT_VERSION_STR, PYQT_VERSION_STR,
                           qInstallMessageHandler, QTimer, QSortFilterProxyModel)
-from PyQt6.QtGui import QGuiApplication, QFontDatabase, QScreen
+from PyQt6.QtGui import QGuiApplication, QFontDatabase
-from PyQt6.QtQml import qmlRegisterType, qmlRegisterUncreatableType, QQmlApplicationEngine
+from PyQt6.QtQml import qmlRegisterType, QQmlApplicationEngine
 
 import electrum
 from electrum import version, constants
@@ -219,7 +219,7 @@ class QEAppController(BaseCrashReporter, QObject):
         self.logger.debug(f'now {self._plugins.count()} plugins loaded')
         plugin = self._plugins.get(plugin_name)
         self.logger.debug(f'plugin with name {plugin_name} is {str(type(plugin))}')
-        if plugin and hasattr(plugin,'so'):
+        if plugin and hasattr(plugin, 'so'):
             return plugin.so
         else:
             self.logger.debug('None!')
@@ -264,9 +264,9 @@ class QEAppController(BaseCrashReporter, QObject):
             'reportstring': self.get_report_string()
         }
 
-    @pyqtSlot(object,object,object,object)
+    @pyqtSlot(object, object, object, object)
     def crash(self, config, e, text, tb):
-        self.exc_args = (e, text, tb) # for BaseCrashReporter
+        self.exc_args = (e, text, tb)  # for BaseCrashReporter
         self.showException.emit(self.crashData())
 
     @pyqtSlot()
@@ -305,7 +305,7 @@ class QEAppController(BaseCrashReporter, QObject):
         # if traceback contains special HTML characters, e.g. '<',
         # they need to be escaped to avoid formatting issues.
         traceback_str = super()._get_traceback_str_to_display()
-        return html.escape(traceback_str).replace('&#x27;','&apos;')
+        return html.escape(traceback_str).replace('&#x27;', '&apos;')
 
     def get_user_description(self):
         return self._crash_user_text

electrum/gui/qml/qechannelopener.py

@@ -23,7 +23,7 @@ from .qewallet import QEWallet
 class QEChannelOpener(QObject, AuthMixin):
     _logger = get_logger(__name__)
 
-    validationError = pyqtSignal([str,str], arguments=['code','message'])
+    validationError = pyqtSignal([str, str], arguments=['code', 'message'])
     conflictingBackup = pyqtSignal([str], arguments=['message'])
     channelOpening = pyqtSignal([str], arguments=['peer'])
     channelOpenError = pyqtSignal([str], arguments=['message'])

electrum/gui/qml/qedaemon.py

@@ -76,7 +76,7 @@ class QEWalletListModel(QAbstractListModel):
                     available.append(i.path)
         for path in sorted(available):
             wallet = self.daemon.get_wallet(path)
-            self.add_wallet(wallet_path = path)
+            self.add_wallet(wallet_path=path)
 
     def add_wallet(self, wallet_path):
         self.beginInsertRows(QModelIndex(), len(self._wallets), len(self._wallets))
@@ -142,10 +142,10 @@ class QEDaemon(AuthMixin, QObject):
     loadingChanged = pyqtSignal()
     requestNewPassword = pyqtSignal()
 
-    walletLoaded = pyqtSignal([str,str], arguments=['name','path'])
+    walletLoaded = pyqtSignal([str, str], arguments=['name', 'path'])
-    walletRequiresPassword = pyqtSignal([str,str], arguments=['name','path'])
+    walletRequiresPassword = pyqtSignal([str, str], arguments=['name', 'path'])
     walletOpenError = pyqtSignal([str], arguments=["error"])
-    walletDeleteError = pyqtSignal([str,str], arguments=['code', 'message'])
+    walletDeleteError = pyqtSignal([str, str], arguments=['code', 'message'])
 
     def __init__(self, daemon: 'Daemon', plugins: 'Plugins', parent=None):
         super().__init__(parent)

electrum/gui/qml/qenetwork.py

@@ -138,7 +138,7 @@ class QENetwork(QObject, QtEventListener):
         if not histogram:
             histogram = [[FEERATE_DEFAULT_RELAY/1000,1]]
         # cap the histogram to a limited number of megabytes
-        bytes_limit=10*1000*1000
+        bytes_limit = 10*1000*1000
         bytes_current = 0
         capped_histogram = []
         for item in sorted(histogram, key=lambda x: x[0], reverse=True):

electrum/gui/qml/qetransactionlistmodel.py

@@ -236,7 +236,7 @@ class QETransactionListModel(QAbstractListModel, QtEventListener):
                 tx['timestamp'] = info.timestamp
                 tx['section'] = self.get_section_by_timestamp(info.timestamp)
                 tx['date'] = self.format_date_by_section(tx['section'], datetime.fromtimestamp(info.timestamp))
-                index = self.index(i,0)
+                index = self.index(i, 0)
                 roles = [self._ROLE_RMAP[x] for x in ['section', 'height', 'confirmations', 'timestamp', 'date']]
                 self.dataChanged.emit(index, index, roles)
                 return
@@ -264,7 +264,7 @@ class QETransactionListModel(QAbstractListModel, QtEventListener):
         for i, tx in enumerate(self.tx_history):
             if tx['key'] == key:
                 tx['label'] = label
-                index = self.index(i,0)
+                index = self.index(i, 0)
                 self.dataChanged.emit(index, index, [self._ROLE_RMAP['label']])
                 return
 
@@ -275,7 +275,7 @@ class QETransactionListModel(QAbstractListModel, QtEventListener):
             if 'height' in tx_item:
                 if tx_item['height'] > 0:
                     tx_item['confirmations'] = height - tx_item['height'] + 1
-                    index = self.index(i,0)
+                    index = self.index(i, 0)
                     roles = [self._ROLE_RMAP['confirmations']]
                     self.dataChanged.emit(index, index, roles)
                 elif tx_item['height'] in (TX_HEIGHT_FUTURE, TX_HEIGHT_LOCAL):