related reports:
https://bugs.launchpad.net/ubuntu/+source/python2.5/+bug/194993
https://bugs.launchpad.net/debian/+source/libx11/+bug/299841
related reports:
https:/ /bugs.launchpad .net/ubuntu/ +source/ python2. 5/+bug/ 194993
https:/ /bugs.launchpad .net/debian/ +source/ libx11/ +bug/299841