File "/data/user/0/org.electrum.electrum/files/app/crystax_python/site-packages/kivy/core/window/window_sdl2.py", line 727, in mainloop
    self._mainloop()
  File "/data/user/0/org.electrum.electrum/files/app/crystax_python/site-packages/kivy/core/window/window_sdl2.py", line 460, in _mainloop
    EventLoop.idle()
  File "/data/user/0/org.electrum.electrum/files/app/crystax_python/site-packages/kivy/base.py", line 337, in idle
    Clock.tick()
  File "/data/user/0/org.electrum.electrum/files/app/crystax_python/site-packages/kivy/clock.py", line 581, in tick
    self._process_events()
  File "kivy/_clock.pyx", line 384, in kivy._clock.CyClockBase._process_events
  File "kivy/_clock.pyx", line 414, in kivy._clock.CyClockBase._process_events
  File "kivy/_clock.pyx", line 412, in kivy._clock.CyClockBase._process_events
  File "kivy/_clock.pyx", line 167, in kivy._clock.ClockEvent.tick
  File "./gui/kivy/main_window.py", line 641, in update_interfaces
    self.blockchain_name = chain.get_name()
  File "./lib/blockchain.py", line 135, in get_name
    return self.get_hash(self.get_checkpoint()).lstrip('00')[0:10]
  File "./lib/blockchain.py", line 294, in get_hash
    return hash_header(self.read_header(height))
  File "./lib/blockchain.py", line 278, in read_header
    raise Exception('Expected to read a full header. This was only {} bytes'.format(len(h)))