Hello, I install yum-2.2.0-1.noarch.rpm on Enterprise Linux WS3, Use PYTHONPATH=/usr/lib/python2.3/site-packages/ solve the problem: "ImportError: No module named yum". But now I use yum command, the error is: [root@cirith-ungol opt]# yum Traceback (most recent call last): File "/usr/bin/yum", line 6, in ? import yummain File "/usr/share/yum-cli/yummain.py", line 23, in ? import yum File "__init__.py", line 21, in ? ImportError: No module named rpm [root@cirith-ungol opt]# My environment is: [root@cirith-uol opt]# rpm -qa | grep rpm rpm-4.2.2-0.14 rpm-build-4.2.2-0.14 rpmdb-redhat-3-0.20040505 redhat-rpm-config-8.0.28-2 rpm-python-4.2.2-0.14 redhat-java-rpm-scripts-1.0.2-2 rpm-devel-4.2.2-0.14 #[root@cirith-uol opt]# rpm -qa | grep yum yum-2.2.0-1 I want to try to upgrade rpm-python-4.2.2-0.14 to rpm-python-4.3.2-21.x86_64.rpm [root@cirith-ungol opt]# rpm -Uvh rpm-python-4.3.2-21.x86_64.rpm warning: rpm-python-4.3.2-21.x86_64.rpm: V3 DSA signature: NOKEY, key ID 4f2a6fd2 error: Failed dependencies: librpm-4.3.so()(64bit) is needed by rpm-python-4.3.2-21 librpmdb-4.3.so()(64bit) is needed by rpm-python-4.3.2-21 librpmio-4.3.so()(64bit) is needed by rpm-python-4.3.2-21 python >= 2.3 is needed by rpm-python-4.3.2-21 rpm = 4.3.2-21 is needed by rpm-python-4.3.2-21 [root@cirith-ungol opt]# Do I have to upgrade so many package to install yum or there is another yum version suit all existing package? thanks a lot, Grace __________________________________ Do you Yahoo!? Make Yahoo! your home page http://www.yahoo.com/r/hs