Startup fails with "AttributeError: 'tuple' object has no attribute 'major'"

[CodyErekson]

Hello,
I am trying to install newrelic-plugin-agent on a CentOS 6.10 server which uses Python2.6. (I am very unfamiliar with Python BTW.)
When trying to start the plugin either manually or via an init script, I get the following
Traceback (most recent call last): File "/usr/bin/newrelic-plugin-agent", line 5, in <module> from pkg_resources import load_entry_point File "/usr/lib/python2.6/site-packages/pkg_resources/__init__.py", line 72, in <module> from . import py31compat File "/usr/lib/python2.6/site-packages/pkg_resources/py31compat.py", line 18, in <module> sys.version_info.major == 2 or AttributeError: 'tuple' object has no attribute 'major'

May I please have some assistance with this?