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 340, in idle
    self.dispatch_input()
  File "/data/user/0/org.electrum.electrum/files/app/crystax_python/site-packages/kivy/base.py", line 325, in dispatch_input
    post_dispatch_input(*pop(0))
  File "/data/user/0/org.electrum.electrum/files/app/crystax_python/site-packages/kivy/base.py", line 291, in post_dispatch_input
    wid.dispatch('on_touch_up', me)
  File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
  File "/data/user/0/org.electrum.electrum/files/app/crystax_python/site-packages/kivy/uix/behaviors/button.py", line 179, in on_touch_up
    self.dispatch('on_release')
  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 "/data/user/0/org.electrum.electrum/files/app/crystax_python/site-packages/kivy/lang/builder.py", line 64, in custom_callback
    exec(__kvlang__.co_value, idmap)
  File "<string>", line 39, in <module>
  File "./electrum/gui/kivy/uix/dialogs/wallets.py", line 64, in open_wallet
    app.load_wallet_by_name(self.ids.wallet_selector.selection[0])
  File "./electrum/gui/kivy/main_window.py", line 521, in load_wallet_by_name
    wallet = self.daemon.load_wallet(path, None)
  File "./electrum/daemon.py", line 234, in load_wallet
    storage = WalletStorage(path, manual_upgrades=True)
  File "./electrum/storage.py", line 154, in __init__
    self.load_data(self.raw)
  File "./electrum/storage.py", line 180, in load_data
    t = self.get('wallet_type')
  File "./electrum/storage.py", line 81, in get
    v = self.data.get(key)