File "/home/user/wspace/electrum/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/Electrum/kivy/core/window/window_sdl2.py", line 747, in mainloop
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/Electrum/kivy/core/window/window_sdl2.py", line 479, in _mainloop
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/Electrum/kivy/base.py", line 342, in idle
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/Electrum/kivy/base.py", line 327, in dispatch_input
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-armeabi-v7a/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-armeabi-v7a/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 1098, in kivy._event.EventObservers._dispatch
  File "/home/user/wspace/electrum/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/Electrum/kivy/lang/builder.py", line 64, in custom_callback
  File "<string>", line 23, in <module>
  File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/gui/kivy/uix/dialogs/installwizard.py", line 652, in on_release
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/base_wizard.py", line 136, in go_back
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/base_wizard.py", line 112, in run
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/plugins/trustedcoin/trustedcoin.py", line 643, in on_restore_pw
  File "/home/user/wspace/electrum/.buildozer/android/app/electrum/plugins/trustedcoin/trustedcoin.py", line 575, in xkeys_from_seed