Traceback (most recent call last):
  File "electrum\gui\qt\transaction_dialog.py", line 538, in do_broadcast
  File "electrum\gui\qt\send_tab.py", line 531, in save_pending_invoice
  File "electrum\wallet.py", line 1102, in save_invoice
  File "electrum\wallet.py", line 395, in save_db
  File "electrum\wallet_db.py", line 1567, in write
  File "electrum\util.py", line 470, in <lambda>
  File "electrum\util.py", line 465, in do_profile
  File "electrum\wallet_db.py", line 1577, in _write
  File "electrum\storage.py", line 98, in write
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'd:\\users\\blair\\documents\\my dropbox\\btc\\electrum_data\\wallets\\blair_old.tmp.tmp.2932.tmp.10132.tmp.196668.tmp.130868.tmp.25616.tmp.9184' -> 'd:\\users\\blair\\documents\\my dropbox\\btc\\electrum_data\\wallets\\blair_old.tmp.tmp.2932.tmp.10132.tmp.196668.tmp.130868.tmp.25616'