File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/core/window/window_sdl2.py", line 746, in mainloop
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/core/window/window_sdl2.py", line 478, in _mainloop
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/base.py", line 342, in idle
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/base.py", line 327, in dispatch_input
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/base.py", line 293, in post_dispatch_input
  File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/uix/behaviors/button.py", line 179, in on_touch_up
  File "kivy/_event.pyx", line 703, in kivy._event.EventDispatcher.dispatch
  File "kivy/_event.pyx", line 1214, in kivy._event.EventObservers.dispatch
  File "kivy/_event.pyx", line 1138, in kivy._event.EventObservers._dispatch
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/uix/spinner.py", line 207, in _toggle_dropdown
  File "kivy/properties.pyx", line 497, in kivy.properties.Property.__set__
  File "kivy/properties.pyx", line 544, in kivy.properties.Property.set
  File "kivy/properties.pyx", line 599, in kivy.properties.Property.dispatch
  File "kivy/_event.pyx", line 1214, in kivy._event.EventObservers.dispatch
  File "kivy/_event.pyx", line 1120, in kivy._event.EventObservers._dispatch
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/uix/spinner.py", line 218, in on_is_open
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/uix/dropdown.py", line 252, in open
  File "/home/user/wspace/electrum/.buildozer/android/platform/build/build/python-installs/Electrum/kivy/core/window/__init__.py", line 1273, in add_widget