File "/app/lib/python3.7/site-packages/electrum/gui/qt/main_window.py", line 2268, in remove_wallet
    self._delete_wallet()
  File "/app/lib/python3.7/site-packages/electrum/gui/qt/main_window.py", line 1566, in request_password
    return func(self, *args, **kwargs)
  File "/app/lib/python3.7/site-packages/electrum/gui/qt/main_window.py", line 2274, in _delete_wallet
    r = self.gui_object.daemon.delete_wallet(wallet_path)
  File "/app/lib/python3.7/site-packages/electrum/daemon.py", line 276, in delete_wallet
    self.stop_wallet(path)
  File "/app/lib/python3.7/site-packages/electrum/daemon.py", line 286, in stop_wallet
    wallet.stop_threads()
  File "/app/lib/python3.7/site-packages/electrum/wallet.py", line 240, in stop_threads
    self.storage.write()
  File "/app/lib/python3.7/site-packages/electrum/util.py", line 356, in <lambda>
    return lambda *args, **kw_args: do_profile(args, kw_args)
  File "/app/lib/python3.7/site-packages/electrum/util.py", line 352, in do_profile
    o = func(*args, **kw_args)
  File "/app/lib/python3.7/site-packages/electrum/storage.py", line 89, in write
    self._write()
  File "/app/lib/python3.7/site-packages/electrum/storage.py", line 109, in _write
    os.chmod(self.path, mode)