Fix some regressions from layout rework.

gui/qt/installwizard.py

@@ -175,9 +175,8 @@ class InstallWizard(WindowModalDialog, WizardBase):
         return sanitized_seed()
 
     def show_seed(self, seed):
-        title =  _("Your wallet generation seed is:")
         slayout = SeedWarningLayout(seed)
-        self.set_main_layout(slayout.layout(), title)
+        self.set_main_layout(slayout.layout())
 
     def verify_seed(self, seed, is_valid=None):
         while True:

gui/qt/main_window.py

@@ -1830,7 +1830,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         self.set_send_button_text()
 
     def change_password_dialog(self):
-        from password_dialog import PasswordDialog
+        from password_dialog import PasswordDialog, PW_CHANGE
 
         if self.wallet and self.wallet.is_watching_only():
             self.show_error(_('This is a watching-only wallet'))
@@ -1840,7 +1840,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
                  'password. To disable wallet encryption, enter an empty new '
                  'password.') if self.wallet.use_encryption
                else _('Your wallet keys are not encrypted'))
-        d = PasswordDialog(self, self.wallet, msg, PasswordDialog.PW_CHANGE)
+        d = PasswordDialog(self, self.wallet, msg, PW_CHANGE)
         ok, password, new_password = d.run()
         if not ok:
             return

gui/qt/network_dialog.py

@@ -34,7 +34,7 @@ class NetworkDialog(WindowModalDialog):
         self.setMinimumSize(375, 20)
         self.nlayout = NetworkChoiceLayout(network, config)
         vbox = QVBoxLayout(self)
-        vbox.addLayout(nlayout.layout())
+        vbox.addLayout(self.nlayout.layout())
         vbox.addLayout(Buttons(CancelButton(self), OkButton(self)))
 
     def do_exec(self):

gui/qt/password_dialog.py

@@ -145,10 +145,10 @@ class PasswordLayout(object):
 class PasswordDialog(WindowModalDialog):
 
     def __init__(self, parent, wallet, msg, kind):
-        WindowModalDialog.__init__(self)
+        WindowModalDialog.__init__(self, parent)
         OK_button = OkButton(self)
         self.playout = PasswordLayout(wallet, msg, kind, OK_button)
-        self.setTitle(slef.playout.title())
+        self.setWindowTitle(self.playout.title())
         vbox = QVBoxLayout(self)
         vbox.addLayout(self.playout.layout())
         vbox.addStretch(1)

gui/qt/seed_dialog.py

@@ -36,7 +36,7 @@ class SeedDialog(WindowModalDialog):
         WindowModalDialog.__init__(self, parent, ('Electrum - ' + _('Seed')))
         self.setMinimumWidth(400)
         vbox = QVBoxLayout(self)
-        vbox.addLayout(SeedDisplayLayout(seed))
+        vbox.addLayout(SeedWarningLayout(seed).layout())
         if imported_keys:
             warning = ("<b>" + _("WARNING") + ":</b> " +
                        _("Your wallet contains imported keys. These keys "
@@ -86,6 +86,8 @@ class SeedDisplayLayout(SeedLayoutBase):
 
 class SeedWarningLayout(SeedLayoutBase):
     def __init__(self, seed, title=None):
+        if title is None:
+            title =  _("Your wallet generation seed is:")
         msg = ''.join([
             "<p>",
             _("Please save these %d words on paper (order is important). "),