Gtkvncviewer fails to start on keyring error

I recently changed my password (passwd), then got keyring trouble. Gtkvncviewer does not start anymore at all... So I modified the python script a bit. Here's a patch if you care to fix it:

/usr/share/gtkvncviewer $ git diff gtkvncviewer-old.py gtkvncviewer.py
diff --git a/gtkvncviewer-old.py b/gtkvncviewer.py
index dd8c16a..ba53edb 100755
--- a/gtkvncviewer-old.py
+++ b/gtkvncviewer.py
@@ -113,7 +113,12 @@ class GtkVncViewer:

                #read stored credentials
                GCONF_AUTH_KEY = "/apps/gtkvncviewer"
- keyring = gnomekeyring.get_default_keyring_sync()
+ try:
+ keyring = gnomekeyring.get_default_keyring_sync()
+ except:
+ username = None
+ password = None
+
                gconfclient = gconf.client_get_default()
                gconfclient.add_dir (GCONF_AUTH_KEY,
                        gconf.CLIENT_PRELOAD_RECURSIVE)
@@ -132,6 +137,8 @@ class GtkVncViewer:
                                        password = None
                                        auth_token = 0
                                        print _("gnome-keyring access denied")
+ except:
+ print _("Keyring error")
                                else:
                                        username, password = secret.split('\n')
                        else: