kivy: handle 2FA seeds

gui/kivy/uix/dialogs/installwizard.py

@@ -724,7 +724,7 @@ class InstallWizard(BaseWizard, Widget):
             try:
                 task()
             except Exception as err:
-                Clock.schedule_once(lambda dt: app.show_error(str(err)))
+                self.show_error(str(err))
             # on  completion hide message
             Clock.schedule_once(lambda dt: app.info_bubble.hide(now=True), -1)
 
@@ -770,7 +770,7 @@ class InstallWizard(BaseWizard, Widget):
     def show_xpub_dialog(self, **kwargs): ShowXpubDialog(self, **kwargs).open()
 
     def show_error(self, msg):
-        app.show_error(msg, duration=0.5)
+        Clock.schedule_once(lambda dt: app.show_error(msg))
 
     def password_dialog(self, message, callback):
         popup = PasswordDialog()

lib/base_wizard.py

@@ -275,8 +275,12 @@ class BaseWizard(object):
             elif seed_type == 'old':
                 self.run('create_keystore', seed, passphrase)
             elif seed_type == '2fa':
-                self.load_2fa()
-                self.run('on_restore_seed', seed)
+                if self.is_kivy:
+                    self.show_error('2FA seeds are not supported in this version')
+                    self.run('restore_from_seed')
+                else:
+                    self.load_2fa()
+                    self.run('on_restore_seed', seed)
             else:
                 raise