File "/usr/lib/python3/dist-packages/electrum/gui/qt/transaction_dialog.py", line 258, in <lambda>
    action.triggered.connect(lambda: self.export_to_file(tx=gettx()))
  File "/usr/lib/python3/dist-packages/electrum/gui/qt/transaction_dialog.py", line 346, in export_to_file
    with open(fileName, "w+") as f: