When trying install Odoo 9 on centos 6.8,  I have an error and this is the output

[root@sxxx.xxx.xxx.xxx ~]# yum install -y odooLoaded plugins: fastestmirrorSetting up Install ProcessDetermining fastest mirrorsepel/metalink | 11 kB 00:00* base: mirrors.usc.edu* epel: mirrors.kernel.org* extras: mirror.web-ster.com* updates: centos.mirror.ndchost.combase | 3.7 kB 00:00base/primary_db | 4.7 MB 00:00epel | 4.3 kB 00:00epel/primary_db | 5.8 MB 00:00extras | 3.4 kB 00:00extras/primary_db | 37 kB 00:00odoo-nightly | 2.9 kB 00:00odoo-nightly/primary_db | 2.6 kB 00:00updates | 3.4 kB 00:00updates/primary_db | 1.4 MB 00:00Resolving Dependencies--> Running transaction check---> Package odoo.noarch 0:9.0c_20160717-1 will be installed--> Processing Dependency: python(abi) = 2.7 for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: python-xlwt for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: babel for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: python-requests for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: python-passlib for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: python-decorator for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: nodejs-less for package: odoo-9.0c_20160717-1.noarch--> Running transaction check---> Package babel.noarch 0:0.9.4-5.1.el6 will be installed---> Package nodejs-less.noarch 0:1.7.0-1.el6 will be installed--> Processing Dependency: npm(ycssmin) < 1.1 for package: nodejs-less-1.7.0-1.el6.noarch--> Processing Dependency: npm(ycssmin) >= 1.0.1 for package: nodejs-less-1.7.0-1.el6.noarch--> Processing Dependency: nodejs(engine) >= 0.8.0 for package: nodejs-less-1.7.0-1.el6.noarch--> Processing Dependency: nodejs for package: nodejs-less-1.7.0-1.el6.noarch---> Package odoo.noarch 0:9.0c_20160717-1 will be installed--> Processing Dependency: python(abi) = 2.7 for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: python-xlwt for package: odoo-9.0c_20160717-1.noarch---> Package python-decorator.noarch 0:3.0.1-3.1.el6 will be installed---> Package python-passlib.noarch 0:1.5.3-1.el6 will be installed---> Package python-requests.noarch 0:2.6.0-3.el6 will be installed--> Processing Dependency: python-urllib3 >= 1.10.2-1 for package: python-requests-2.6.0-3.el6.noarch--> Processing Dependency: python-chardet >= 2.2.1-1 for package: python-requests-2.6.0-3.el6.noarch--> Running transaction check---> Package nodejs.x86_64 0:0.10.42-4.el6 will be installed--> Processing Dependency: libuv.so.0.10()(64bit) for package: nodejs-0.10.42-4.el6.x86_64---> Package odoo.noarch 0:9.0c_20160717-1 will be installed--> Processing Dependency: python(abi) = 2.7 for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: python-xlwt for package: odoo-9.0c_20160717-1.noarch---> Package python-chardet.noarch 0:2.2.1-1.el6 will be installed---> Package python-urllib3.noarch 0:1.10.2-1.el6 will be installed--> Processing Dependency: python-six for package: python-urllib3-1.10.2-1.el6.noarch--> Processing Dependency: python-backports-ssl_match_hostname for package: python-urllib3-1.10.2-1.el6.noarch---> Package ycssmin.noarch 0:1.0.1-4.el6.2 will be installed--> Running transaction check---> Package libuv.x86_64 1:0.10.34-1.el6 will be installed---> Package odoo.noarch 0:9.0c_20160717-1 will be installed--> Processing Dependency: python(abi) = 2.7 for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: python-xlwt for package: odoo-9.0c_20160717-1.noarch---> Package python-backports-ssl_match_hostname.noarch 0:3.4.0.2-4.el6.centos will be installed--> Processing Dependency: python-backports for package: python-backports-ssl_match_hostname-3.4.0.2-4.el6.centos.noarch---> Package python-six.noarch 0:1.9.0-2.el6 will be installed--> Running transaction check---> Package odoo.noarch 0:9.0c_20160717-1 will be installed--> Processing Dependency: python(abi) = 2.7 for package: odoo-9.0c_20160717-1.noarch--> Processing Dependency: python-xlwt for package: odoo-9.0c_20160717-1.noarch---> Package python-backports.x86_64 0:1.0-5.el6 will be installed--> Finished Dependency ResolutionError: Package: odoo-9.0c_20160717-1.noarch (odoo-nightly)Requires: python(abi) = 2.7Installed: python-2.6.6-64.el6.x86_64 (installed)python(abi) = 2.6Error: Package: odoo-9.0c_20160717-1.noarch (odoo-nightly)Requires: python-xlwtYou could try using --skip-broken to work around the problemYou could try running: rpm -Va --nofiles --nodigest