Traceback (most recent call last):
  File "electrum\gui\qt\util.py", line 1288, in on_qt_callback_signal
  File "electrum\gui\qt\network_dialog.py", line 77, in on_event_network_updated
  File "electrum\gui\qt\network_dialog.py", line 365, in update
  File "electrum\gui\qt\network_dialog.py", line 152, in update
  File "electrum\blockchain.py", line 246, in get_name
  File "electrum\blockchain.py", line 513, in get_hash
  File "electrum\util.py", line 1340, in func_wrapper
  File "electrum\blockchain.py", line 474, in read_header
Exception: Expected to read a full header. This was only 0 bytes