[Spacewalk-list] error during upgrade spacewalk 1.2 to 1.3

[rob morrien]

hello

during the upgrade from spacewalk 1.2 to 1.3 i got the next error:


--> Processing Dependency: libyaml-0.so.1 for package: PyYAML
--> Finished Dependency Resolution
PyYAML-3.08-4.el5.i386 from installed has depsolving problems
  --> Missing Dependency: libyaml-0.so.1 is needed by package
PyYAML-3.08-4.el5.i386 (installed)
Error: Missing Dependency: libyaml-0.so.1 is needed by package
PyYAML-3.08-4.el5.i386 (installed)

how can i fix this problems

rob