Problem with Django on Centos 6

I have a problem to install graphite on server Centos 6.8 :

Error: Package: graphite-web-0.9.16-2.el6.noarch (epel)
           Requires: Django >= 1.3
Error: Package: python-django-tagging-0.3.1-7.el6.noarch (epel)
           Requires: Django

but, I installed Django from pip on python2.6:

# python -c 'import django; print(django.get_version())'
1.6

yum can't find some additional Django package , so , may be somebody can help me install graphite on Centos 6 - I can't update Centos to version 7. - is problematic to update python .