Traceback (most recent call last):


 "/usr/local/lib/python2.7/dist-packages/electrum_plugins/ledger/ledger.py", line 353, in sign_transaction

format_satoshis_plain(tx.get_fee()), changePath, bytearray(rawTx.decode('hex')))


 "/usr/local/lib/python2.7/dist-packages/electrum/transaction.py", line 780, in get_fee

return self.input_value() - self.output_value()


 "/usr/local/lib/python2.7/dist-packages/electrum/transaction.py", line 774, in input_value

return sum(x['value'] for x in self.inputs())


 "/usr/local/lib/python2.7/dist-packages/electrum/transaction.py", line 774, in <genexpr>

return sum(x['value'] for x in self.inputs())
KeyError: 'value'

Traceback (most recent call last):

 "index.py", line 19, in <module>
from tornado.wsgi import WSGIContainer

 "/usr/local/lib/python3.4/dist-packages/tornado/wsgi.py", line 42, in <module>
from tornado import web

 "/usr/local/lib/python3.4/dist-packages/tornado/web.py", line 84, in <module>
from tornado import gen

 "/usr/local/lib/python3.4/dist-packages/tornado/gen.py", line 113, in <module>
from backports_abc import Generator as GeneratorTypeImportError: No module named 'backports_abc'