Getting ImportError: No module named plugins.callback

(ansible) sr@lb:~/configuration/playbooks/edx-east$ sudo ansible-playbook -i localhost, -c local analytics_single.yml --extra-vars “INSIGHTS_LMS_BASE=mysite.org
Traceback (most recent call last):
File “/usr/local/bin/ansible-playbook”, line 324, in
sys.exit(main(sys.argv[1:]))
File “/usr/local/bin/ansible-playbook”, line 210, in main
force_handlers=options.force_handlers,
File “/usr/local/lib/python2.7/dist-packages/ansible/playbook/init.py”, line 181, in init
ansible.callbacks.load_callback_plugins()
File “/usr/local/lib/python2.7/dist-packages/ansible/callbacks.py”, line 51, in load_callback_plugins
callback_plugins = [x for x in utils.plugins.callback_loader.all()]
File “/usr/local/lib/python2.7/dist-packages/ansible/utils/plugins.py”, line 232, in all
self._module_cache[path] = imp.load_source(‘.’.join([self.package, name]), path)
File “/home/sr/configuration/playbooks/callback_plugins/hipchat_plugin.py”, line 12, in
from ansible.plugins.callback import CallbackBase
ImportError: No module named plugins.callback