Description of problem: While trying to install RHOS7 over packstack RHEL 6.7
Hit a python dependency issue. 

Version-Release number of selected component (if applicable):
RHEL 6.7 (Santiago)

Steps to Reproduce:
yum install -y http://rhos-release.virt.bos.redhat.com/repos/rhos-release/rhos-release-latest.noarch.rpm
rhos-release 7
run installations & updates. 
yum update -y
yum install -y openstack-packstack

Actual results:

--> Finished Dependency Resolution
Error: Package: openstack-packstack-2015.1-0.16.dev1589.g1d6372f.el7ost.noarch (rhelosp-7.0-puddle)
           Requires: python(abi) = 2.7
           Installed: python-2.6.6-64.el6.x86_64 (@anaconda-RedHatEnterpriseLinux-201507020259.x86_64/6.7)
               python(abi) = 2.6
Error: Package: python-docutils-0.12-0.2.20140510svn7747.el7ost.noarch (rhelosp-7.0-puddle)
           Requires: python(abi) = 2.7
           Installed: python-2.6.6-64.el6.x86_64 (@anaconda-RedHatEnterpriseLinux-201507020259.x86_64/6.7)
               python(abi) = 2.6


I've got 2.7 from RPMfind tried to install it 
Error: Package: python-urllib3-1.10.4-1.20150503gita91975b.el7ost.noarch (rhelosp-7.0-puddle)
           Requires: python(abi) = 2.7
           Installed: python-2.6.6-64.el6.x86_64 (@anaconda-RedHatEnterpriseLinux-201507020259.x86_64/6.7)
               python(abi) = 2.6
Error: Package: python-netaddr-0.7.12-1.el7ost.noarch (rhelosp-7.0-puddle)
           Requires: python(abi) = 2.7
           Installed: python-2.6.6-64.el6.x86_64 (@anaconda-RedHatEnterpriseLinux-201507020259.x86_64/6.7)
               python(abi) = 2.6
Error: Package: python-lxml-3.2.1-5.el7ost.x86_64 (rhelosp-7.0-puddle)
           Requires: libpython2.7.so.1.0()(64bit)
Error: Package: sos-3.2-36.el7ost.1.noarch (rhelosp-7.0-puddle)
           Requires: python(abi) = 2.7
           Installed: python-2.6.6-64.el6.x86_64 (@anaconda-RedHatEnterpriseLinux-201507020259.x86_64/6.7)
               python(abi) = 2.6
Error: Package: python-lxml-3.2.1-5.el7ost.x86_64 (rhelosp-7.0-puddle)
           Requires: libc.so.6(GLIBC_2.14)(64bit)
Error: Package: python-lxml-3.2.1-5.el7ost.x86_64 (rhelosp-7.0-puddle)
           Requires: libxml2.so.2(LIBXML2_2.9.0)(64bit)
Error: Package: python-requests-2.7.0-1.el7ost.noarch (rhelosp-7.0-puddle)
           Requires: python(abi) = 2.7
           Installed: python-2.6.6-64.el6.x86_64 (@anaconda-RedHatEnterpriseLinux-201507020259.x86_64/6.7)
               python(abi) = 2.6
Error: Package: python-lxml-3.2.1-5.el7ost.x86_64 (rhelosp-7.0-puddle)
           Requires: python(abi) = 2.7
           Installed: python-2.6.6-64.el6.x86_64 (@anaconda-RedHatEnterpriseLinux-201507020259.x86_64/6.7)
               python(abi) = 2.6