Traceback (most recent call last):
  File "/home/mdz/Downloads/Electrum-4.1.5/electrum/gui/qt/settings_dialog.py", line 521, in on_alias_edit
    self.config.set_key('alias', alias, True)
  File "/home/mdz/Downloads/Electrum-4.1.5/electrum/simple_config.py", line 162, in set_key
    self._set_key_in_user_config(key, value, save)
  File "/home/mdz/Downloads/Electrum-4.1.5/electrum/simple_config.py", line 171, in _set_key_in_user_config
    self.save_user_config()
  File "/home/mdz/Downloads/Electrum-4.1.5/electrum/simple_config.py", line 263, in save_user_config
    with open(path, "w", encoding='utf-8') as f:
OSError: [Errno 30] Read-only file system: '/home/mdz/.electrum/config'