--- src/sage/doctest/control.py.orig	2015-10-31 09:40:55.173671531 +0100
+++ src/sage/doctest/control.py	2015-10-31 09:40:05.370125436 +0100
@@ -253,7 +253,7 @@
                 if 'optional' in options.optional:
                     options.optional.discard('optional')
                     from sage.misc.package import package_versions
-                    optional_pkgs = package_versions("optional", local=True)
+                    optional_pkgs = {}
                     for pkg, versions in optional_pkgs.items():
                         if versions[0] == versions[1]:
                             options.optional.add(pkg)