download rpm from fedora epel
yum install tix
rpm -ivh python26-2.6.5-3.el5.i386.rpm python26-test-2.6.5-3.el5.i386.rpm python26-devel-2.6.5-3.el5.i386.rpm python26-tools-2.6.5-3.el5.i386.rpm python26-libs-2.6.5-3.el5.i386.rpm tkinter26-2.6.5-3.el5.i386.rpm libffi-3.0.5-1.el5.i386.rpm
yum install tix
rpm -ivh python26-2.6.5-3.el5.i386.rpm python26-test-2.6.5-3.el5.i386.rpm python26-devel-2.6.5-3.el5.i386.rpm python26-tools-2.6.5-3.el5.i386.rpm python26-libs-2.6.5-3.el5.i386.rpm tkinter26-2.6.5-3.el5.i386.rpm libffi-3.0.5-1.el5.i386.rpm