File "/home/jenson/Electrum-4.0.4/electrum/gui/qt/main_window.py", line 1584, in do_pay
    self.wallet.save_invoice(invoice)
  File "/home/jenson/Electrum-4.0.4/electrum/wallet.py", line 747, in save_invoice
    self.save_db()
  File "/home/jenson/Electrum-4.0.4/electrum/wallet.py", line 293, in save_db
    self.db.write(self.storage)
  File "/home/jenson/Electrum-4.0.4/electrum/wallet_db.py", line 1224, in write
    self._write(storage)
  File "/home/jenson/Electrum-4.0.4/electrum/wallet_db.py", line 1232, in _write
    storage.write(self.dump())
  File "/home/jenson/Electrum-4.0.4/electrum/util.py", line 406, in <lambda>
    return lambda *args, **kw_args: do_profile(args, kw_args)
  File "/home/jenson/Electrum-4.0.4/electrum/util.py", line 402, in do_profile
    o = func(*args, **kw_args)
  File "/home/jenson/Electrum-4.0.4/electrum/storage.py", line 85, in write
    with open(temp_path, "w", encoding='utf-8') as f: