michaelhelmick/python-mailsnake — pull request #1 by vlinhart (2012-02-19 15:04:30+00:00)
Title: if the result of API call is just 'true' or 'false' 

the line if 'error' in rsp and 'code' in rsp:
will fail because True or False is not iterable.
One such method which returns just 'true' is 'listSubscribe'