File "kivy/_clock.pyx", line 645, in kivy._clock.CyClockBase._process_events
  File "kivy/_clock.pyx", line 218, in kivy._clock.ClockEvent.tick
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/gui/kivy/main_window.py", line 828, in update_interfaces
  File "kivy/properties.pyx", line 498, in kivy.properties.Property.__set__
  File "kivy/properties.pyx", line 545, in kivy.properties.Property.set
  File "kivy/properties.pyx", line 600, in kivy.properties.Property.dispatch
  File "kivy/_event.pyx", line 1263, in kivy._event.EventObservers.dispatch
  File "kivy/_event.pyx", line 1145, in kivy._event.EventObservers._dispatch
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/lang/builder.py", line 69, in call_fn
  File "kivy/weakproxy.pyx", line 35, in kivy.weakproxy.WeakProxy.__setattr__
  File "kivy/weakproxy.pyx", line 28, in kivy.weakproxy.WeakProxy.__ref__