fix #3941

gui/kivy/i18n.py

@@ -15,7 +15,7 @@ class _(str):
 
     @staticmethod
     def translate(s, *args, **kwargs):
-        return _.lang(s).format(args, kwargs)
+        return _.lang(s).format(*args, **kwargs)
 
     @staticmethod
     def bind(label):

gui/kivy/uix/ui_screens/network.kv

@@ -11,7 +11,7 @@ Popup:
                 height: self.minimum_height
                 padding: '10dp'
                 SettingsItem:
-                    value: _("{} connections.").format(app.num_nodes) if app.num_nodes else _("Not connected")
+                    value: _("{} connections.", app.num_nodes) if app.num_nodes else _("Not connected")
                     title: _("Status") + ': ' + self.value
                     description: _("Connections with Electrum servers")
                     action: lambda x: None
@@ -46,7 +46,7 @@ Popup:
 
                 CardSeparator
                 SettingsItem:
-                    title: _('Fork detected at block {}').format(app.blockchain_checkpoint) if app.num_chains>1 else _('No fork detected')
+                    title: _('Fork detected at block {}', app.blockchain_checkpoint) if app.num_chains>1 else _('No fork detected')
                     fork_description: (_('You are following branch') if app.auto_connect else _("Your server is on branch")) + ' ' + app.blockchain_name
                     description: self.fork_description if app.num_chains>1 else _('Connected nodes are on the same chain')
                     action: app.choose_blockchain_dialog