vagrant@online:~$ electrum -w wallet.seedless getbalance
Starting daemon [None]
Exception in thread Thread-3:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/usr/local/lib/python2.7/dist-packages/electrum/wallet.py", line 1578, in run
    self.run_interface()
  File "/usr/local/lib/python2.7/dist-packages/electrum/wallet.py", line 1657, in run_interface
    self.network.send([('blockchain.address.get_history', [addr])], lambda i,r:self.queue.put(r))
AttributeError: 'NetworkProxy' object has no attribute 'send'

NetworkProxy: exiting