code cleanup

gui/qt/main_window.py

@@ -1414,10 +1414,8 @@ class ElectrumWindow(QMainWindow):
 
     def create_account_menu(self, position, k, item):
         menu = QMenu()
-        if item.isExpanded():
-            menu.addAction(_("Minimize"), lambda: self.account_set_expanded(item, k, False))
-        else:
-            menu.addAction(_("Maximize"), lambda: self.account_set_expanded(item, k, True))
+        exp = item.isExpanded()
+        menu.addAction(_("Minimize") if exp else _("Maximize"), lambda: self.account_set_expanded(item, k, not exp))
         menu.addAction(_("Rename"), lambda: self.edit_account_label(k))
         if self.wallet.seed_version > 4:
             menu.addAction(_("View details"), lambda: self.show_account_details(k))

gui/qt/util.py

@@ -210,9 +210,9 @@ class MyTreeWidget(QTreeWidget):
     def __init__(self, parent):
         QTreeWidget.__init__(self, parent)
         self.setContextMenuPolicy(Qt.CustomContextMenu)
-        self.connect(self, SIGNAL('itemActivated(QTreeWidgetItem*, int)'), self.itemactivated)
+        self.itemActivated.connect(self.on_activated)
 
-    def itemactivated(self, item):
+    def on_activated(self, item):
         if not item: return
         for i in range(0,self.viewport().height()/5):
             if self.itemAt(QPoint(0,i*5)) == item: