misc python3 updates:

- use jsonrpclib-pelix
 - update the kivy gui
 - update plugins

gui/kivy/uix/dialogs/installwizard.py

@@ -14,15 +14,14 @@ from kivy.core.window import Window
 from kivy.clock import Clock
 from kivy.utils import platform
 
-from electrum_gui.kivy.uix.dialogs import EventsDialog
-from electrum_gui.kivy.i18n import _
 from electrum.base_wizard import BaseWizard
 
-from password_dialog import PasswordDialog
+
+from . import EventsDialog
+from ...i18n import _
+from .password_dialog import PasswordDialog
 
 # global Variables
-app = App.get_running_app()
-
 is_test = (platform == "linux")
 test_seed = "time taxi field recycle tiny license olive virus report rare steel portion achieve"
 test_xpub = "xpub661MyMwAqRbcEbvVtRRSjqxVnaWVUMewVzMiURAKyYratih4TtBpMypzzefmv8zUNebmNVzB3PojdC5sV2P9bDgMoo9B3SARw1MXUUfU1GL"
@@ -429,7 +428,7 @@ class WizardDialog(EventsDialog):
     crcontent = ObjectProperty(None)
 
     def __init__(self, wizard, **kwargs):
-        super(WizardDialog, self).__init__(**kwargs)
+        super(WizardDialog, self).__init__()
         self.wizard = wizard
         self.ids.back.disabled = not wizard.can_go_back()
         self.app = App.get_running_app()
@@ -624,9 +623,7 @@ class RestoreSeedDialog(WizardDialog):
 
     def get_text(self):
         ti = self.ids.text_input_seed
-        text = unicode(ti.text).strip()
-        text = ' '.join(text.split())
-        return text
+        return ' '.join(ti.text.strip().split())
 
     def update_text(self, c):
         c = c.lower()
@@ -752,6 +749,7 @@ class InstallWizard(BaseWizard, Widget):
             # on  completion hide message
             Clock.schedule_once(lambda dt: app.info_bubble.hide(now=True), -1)
 
+        app = App.get_running_app()
         app.show_info_bubble(
             text=msg, icon='atlas://gui/kivy/theming/light/important',
             pos=Window.center, width='200sp', arrow_pos=None, modal=True)
@@ -793,6 +791,7 @@ class InstallWizard(BaseWizard, Widget):
     def show_xpub_dialog(self, **kwargs): ShowXpubDialog(self, **kwargs).open()
 
     def show_error(self, msg):
+        app = App.get_running_app()
         Clock.schedule_once(lambda dt: app.show_error(msg))
 
     def password_dialog(self, message, callback):