AttributeError: 'InstallWizard' object has no attribute 'n'

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Traceback

  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 23, in <module>
  File "kivy/_event.pyx", line 707, in kivy._event.EventDispatcher.dispatch
  File "./electrum/gui/kivy/uix/dialogs/installwizard.py", line 580, in on_release
    self.wizard.go_back()
  File "./electrum/base_wizard.py", line 91, in go_back
    self.run(action, *args)
  File "./electrum/base_wizard.py", line 79, in run
    f(*args)
  File "./electrum/base_wizard.py", line 153, in choose_keystore
    title = _('Add cosigner') + ' (%d of %d)'%(i+1, self.n) if self.wallet_type=='multisig' else _('Keystore')

AttributeError: 'InstallWizard' object has no attribute 'n'

Reporter

This issue was reported by 1 user(s):

Electrum Version	Python Version	Operating System	Wallet Type	Locale	Stack
3.2.3	3.6.4 (default, Mar 1 2018, 10:42:21) [GCC 5.3 20151204]	Android 8.0.0 on samsung dream2lte (R16NW.G955FXXU3CRGH)	unknown	?	ℹ

Additional Information

The reporting user(s) did not provide additional information.

[accumulator]

old wizard, closing.