Traceback (most recent call last):
  File "electrum\gui\qt\main_window.py", line 155, in request_password
  File "electrum\gui\qt\main_window.py", line 2485, in do_import_privkey
  File "electrum\gui\qt\main_window.py", line 2457, in _do_import
  File "electrum\gui\qt\main_window.py", line 2485, in <lambda>
  File "electrum\wallet.py", line 3479, 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 398, in write
  File "electrum\json_db.py", line 48, in wrapper
  File "electrum\json_db.py", line 409, in _append_pending_changes
  File "electrum\storage.py", line 117, in append
electrum.storage.StorageOnDiskUnexpectedlyChanged: expected size 4893219, found 4904544