fix

gui/qt/util.py

@@ -126,17 +126,10 @@ class HelpButton(QPushButton):
         self.help_text = text
         self.setFocusPolicy(Qt.NoFocus)
         self.setFixedWidth(20)
-        self.alt = None
         self.clicked.connect(self.onclick)
 
-    def set_alt(self, func):
-        self.alt = func
-
     def onclick(self):
-        if self.alt:
-            apply(self.alt)
-        else:
-            QMessageBox.information(self, 'Help', self.help_text, 'OK')
+        QMessageBox.information(self, 'Help', self.help_text, 'OK')
 
 class Buttons(QHBoxLayout):
     def __init__(self, *buttons):