File "electrum/gui/qt/main_window.py", line 521, in new_wallet
  File "electrum/gui/qt/__init__.py", line 213, in wrapper
  File "electrum/gui/qt/__init__.py", line 239, in start_new_window
  File "electrum/gui/qt/installwizard.py", line 315, in run_and_get_wallet
  File "electrum/base_wizard.py", line 89, in run
  File "electrum/base_wizard.py", line 116, in new
  File "electrum/gui/qt/installwizard.py", line 100, in func_wrapper
  File "electrum/base_wizard.py", line 150, in on_wallet_type
  File "electrum/base_wizard.py", line 89, in run
  File "electrum/base_wizard.py", line 182, in choose_keystore
  File "electrum/gui/qt/installwizard.py", line 100, in func_wrapper
  File "electrum/base_wizard.py", line 89, in run
  File "electrum/base_wizard.py", line 418, in restore_from_seed
  File "electrum/gui/qt/installwizard.py", line 100, in func_wrapper
  File "electrum/base_wizard.py", line 432, in on_restore_seed
  File "electrum/base_wizard.py", line 86, in run
  File "/var/folders/qp/_trmdz8x4jq4p_n8xh3qkd080000gn/T/_MEIvMrjOB/electrum/plugins/trustedcoin/trustedcoin.py", line 581, in on_restore_seed
    wizard.passphrase_dialog(run_next=f) if is_ext else f('')
  File "/var/folders/qp/_trmdz8x4jq4p_n8xh3qkd080000gn/T/_MEIvMrjOB/electrum/plugins/trustedcoin/trustedcoin.py", line 580, in <lambda>
    f = lambda x: self.restore_choice(wizard, seed, x)
  File "/var/folders/qp/_trmdz8x4jq4p_n8xh3qkd080000gn/T/_MEIvMrjOB/electrum/plugins/trustedcoin/trustedcoin.py", line 594, in restore_choice
    wizard.choice_dialog(choices=choices, message=msg, title=title, run_next=f)
  File "electrum/gui/qt/installwizard.py", line 100, in func_wrapper
  File "/var/folders/qp/_trmdz8x4jq4p_n8xh3qkd080000gn/T/_MEIvMrjOB/electrum/plugins/trustedcoin/trustedcoin.py", line 593, in <lambda>
    f = lambda x: self.on_choice(wizard, seed, passphrase, x)
  File "/var/folders/qp/_trmdz8x4jq4p_n8xh3qkd080000gn/T/_MEIvMrjOB/electrum/plugins/trustedcoin/trustedcoin.py", line 601, in on_choice
    self.create_keystore(wizard, seed, passphrase)
  File "/var/folders/qp/_trmdz8x4jq4p_n8xh3qkd080000gn/T/_MEIvMrjOB/electrum/plugins/trustedcoin/trustedcoin.py", line 557, in create_keystore
    xprv1, xpub1, xprv2, xpub2 = self.xkeys_from_seed(seed, passphrase)
  File "/var/folders/qp/_trmdz8x4jq4p_n8xh3qkd080000gn/T/_MEIvMrjOB/electrum/plugins/trustedcoin/trustedcoin.py", line 552, in xkeys_from_seed
    raise Exception('unrecognized seed length: {} words'.format(n))