Traceback (most recent call last):
  File "/usr/share/software-center/softwarecenter/app.py", line 665, in on_menuitem_reinstall_purchases_activate
    self._login_via_dbus_sso()
  File "/usr/share/software-center/softwarecenter/app.py", line 651, in _login_via_dbus_sso
    self._create_dbus_sso_if_needed()
  File "/usr/share/software-center/softwarecenter/app.py", line 648, in _create_dbus_sso_if_needed
    self.sso = LoginBackendDbusSSO(self.window_main.window.xid)
TypeError: __init__() takes exactly 4 arguments (2 given)