- upstream's repo is not a useful source of updates for OpenBSD.

Index: src/calibre/gui2/update.py
--- src/calibre/gui2/update.py.orig
+++ src/calibre/gui2/update.py
@@ -29,6 +29,9 @@ def get_download_url():
 
 
 def get_newest_version():
+    return NO_CALIBRE_UPDATE
+
+def DISABLED_get_newest_version():
     icon_theme_name = icon_resource_manager.user_theme_name
     if icon_theme_name == 'default':
         icon_theme_name = ''
