Re-enables Trustedcoin after restoring your 2FA Electrum wallet from seed.

2fa_restore.py

# Re-enables Trustedcoin after restoring your 2FA Electrum wallet from seed. 
# Pass your wallet file as the first argument:
#   python 2fa_restore.py ~/.electrum/wallets/default_wallet

import json
import sys

wallet = json.load(open(sys.argv[1]))
assert wallet['wallet_type'] == '2fa'
wallet['use_trustedcoin'] = True
wallet['master_private_keys'].pop('x2', None)
wallet.pop('seed', None)
json.dump(wallet, open(sys.argv[1], 'w'), indent=4)
print('done')