Traceback (most recent call last):
  File "electrum\gui\qt\main_window.py", line 157, in request_password
  File "electrum\gui\qt\main_window.py", line 2478, in do_import_privkey
  File "electrum\gui\qt\main_window.py", line 2450, in _do_import
  File "electrum\gui\qt\main_window.py", line 2478, in <lambda>
  File "electrum\wallet.py", line 3473, in import_private_keys
  File "electrum\wallet.py", line 479, in save_db
  File "electrum\json_db.py", line 48, in wrapper
  File "electrum\json_db.py", line 396, in write
  File "electrum\json_db.py", line 48, in wrapper
  File "electrum\util.py", line 482, in do_profile
  File "electrum\json_db.py", line 420, in write_and_force_consolidation
  File "electrum\storage.py", line 93, in write
OSError: [Errno 28] No space left on device