File "/tmp/.mount_electrjpG4CP/usr/lib/python3.7/site-packages/electrum/gui/qt/transaction_dialog.py", line 283, in <lambda>
    action.triggered.connect(lambda: self.export_to_file(tx=gettx()))
  File "/tmp/.mount_electrjpG4CP/usr/lib/python3.7/site-packages/electrum/gui/qt/transaction_dialog.py", line 375, in export_to_file
    with open(fileName, "wb+") as f: