Traceback (most recent call last):
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/base.py", line 349, in mainloop
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/core/window/window_sdl2.py", line 692, in mainloop
  File "kivy/_event.pyx", line 720, in kivy._event.EventDispatcher.dispatch
  File "kivy/_event.pyx", line 1263, in kivy._event.EventObservers.dispatch
  File "kivy/_event.pyx", line 1187, in kivy._event.EventObservers._dispatch
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/core/window/__init__.py", line 154, in _on_window_textinput
  File "kivy/_event.pyx", line 720, in kivy._event.EventDispatcher.dispatch
  File "kivy/_event.pyx", line 1263, in kivy._event.EventObservers.dispatch
  File "kivy/_event.pyx", line 1187, in kivy._event.EventObservers._dispatch
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/textinput.py", line 2587, in keyboard_on_textinput
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-arm64-v8a/build/python-installs/Electrum/kivy/uix/textinput.py", line 1283, in delete_selection
TypeError: slice indices must be integers or None or have an __index__ method