Wrong parameter name, guess a bug introduced with 8e5826d4ea.
8e5826d4ea
@ -1359,7 +1359,7 @@ class JMMainWindow(QMainWindow):
text, ok = QInputDialog.getText(self,
'Decrypt wallet',
'Enter your password:',
mode=QLineEdit.Password)
echo=QLineEdit.Password)
if not ok:
return
pwd = str(text).strip()