error trying to install python-devel -

When I try to install Python-developers, I keep giving this error downgrade is also not working Any help will be very much appreciated.

  $ yum install python-devel Determining the installation process resolving dependencies - & gt; Checking transactions --- & gt; Package Python-Develop X86_64 0: 2.6.6-37.el6_4 will be installed - & gt; Processing dependency: Python for package (x86-64) = 2.6.6-37.el6_4: Python-Develop-2.6.6-37. El6_4.x86_64 - & gt; Finished dependency resolution error: Package: Python-Develop-2.6.6-37. El6_4.x86_64 (baseos_repo) is required: Python (x86-64) = 2.6.6-37.el6_4 Installed: Python -6.6-52 . 6 .x86_64 (anaconda-CentOS-201303020151.x86_64 / 6.4) Python (x86-64) = 2.6.6-52.el6 Available: Python -6.6-36.el6.x86_64 (Besos_Pro) Python (x86-64) = 2.6 .6-36.el6 Available: Python -6.6-37.el6_4.x86_64 (Besos_Pro) Python (x86-64) = 2.6.6-37.el6_4 - To use you, try to use the broken-snap You can try to run the problem: rpm -Va --nofiles --nodigest