From Github Issues Page
When using the latest version of raxmon (a.k.a. Rackspace Monitoring CLI) you might get the following error:
$ raxmon-entities-list
Traceback (most recent call last):
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/raxmon-entities-list", line 23, in <module>
run_