File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/gui/qt/main_window.py", line 553, in new_wallet
    self.gui_object.start_new_window(full_path, None)
  File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/gui/qt/__init__.py", line 215, in wrapper
    return func(self, *args, **kwargs)
  File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/gui/qt/__init__.py", line 239, in start_new_window
    wallet = self._start_wizard_to_select_or_create_wallet(path)
  File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/gui/qt/__init__.py", line 282, in _start_wizard_to_select_or_create_wallet
    storage = wizard.create_storage(path)
  File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/base_wizard.py", line 589, in create_storage
    storage.write()
  File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/util.py", line 356, in <lambda>
    return lambda *args, **kw_args: do_profile(args, kw_args)
  File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/util.py", line 352, in do_profile
    o = func(*args, **kw_args)
  File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/storage.py", line 89, in write
    self._write()
  File "/tmp/.mount_electrD9PBlI/usr/lib/python3.6/site-packages/electrum/storage.py", line 100, in _write
    with open(temp_path, "w", encoding='utf-8') as f: