Traceback (most recent call last):
  File "/tmp/.mount_electrWCKePg/usr/lib/python3.9/site-packages/electrum/gui/qt/fee_slider.py", line 26, in on_fee_type
    self.config.set_key('mempool_fees', x==2)
  File "/tmp/.mount_electrWCKePg/usr/lib/python3.9/site-packages/electrum/simple_config.py", line 170, in set_key
    self._set_key_in_user_config(key, value, save)
  File "/tmp/.mount_electrWCKePg/usr/lib/python3.9/site-packages/electrum/simple_config.py", line 179, in _set_key_in_user_config
    self.save_user_config()
  File "/tmp/.mount_electrWCKePg/usr/lib/python3.9/site-packages/electrum/simple_config.py", line 271, in save_user_config
    with open(path, "w", encoding='utf-8') as f:
OSError: [Errno 30] Read-only file system: '/home/kodachi/.electrum/config'