I have installed deltarpms package (deltarpm-3.4-1.fc7) but when I install the yum-presto package yum-presto-0.3.7-1.noarch.rpm, and then run yum update or yum check-update, yum quits with the following lines of errors: Traceback (most recent call last): File "/usr/bin/yum", line 29, in <module> yummain.main(sys.argv[1:]) File "/usr/share/yum-cli/yummain.py", line 82, in main base.getOptionsConfig(args) File "/usr/share/yum-cli/cli.py", line 142, in getOptionsConfig errorlevel=opts.errorlevel) File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 145, in _getConfig startupconf.pluginconfpath) File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 271, in doPluginSetup plugin_types, confpath) File "/usr/lib/python2.5/site-packages/yum/plugins.py", line 138, in __init__ self._importplugins(types) File "/usr/lib/python2.5/site-packages/yum/plugins.py", line 179, in _importplugins self._loadplugin(modulefile, types) File "/usr/lib/python2.5/site-packages/yum/plugins.py", line 196, in _loadplugin module = imp.load_module(modname, fp, pathname, description) File "/usr/lib/yum-plugins/presto.py", line 31, in <module> from prestomdparser import PrestoMDParser File "/usr/share/presto/prestomdparser.py", line 22, in <module> from cElementTree import iterparse ImportError: No module named cElementTree yum is version yum-3.1.6-1.fc7 fedora release is yum-3.1.6-1.fc7 Anything else I need to submit? -- David Hunter