I get a 401 Unauthorized error when running this from my USG

[charlestephen]

The traceback is below. Any thoughts? The local user created for this function can login (I've tested it in browser) but it still doesn't seem to work.

Traceback (most recent call last):
File "./post-config.d/usg-easy-dns.py", line 230, in
controller.login(username=args.username, password=args.password)
File "./post-config.d/usg-easy-dns.py", line 86, in login
'password': password,
File "./post-config.d/usg-easy-dns.py", line 69, in _request
response = self.opener.open(fullurl=url, data=data)
File "/usr/lib/python2.7/urllib2.py", line 407, in open
response = meth(req, response)
File "/usr/lib/python2.7/urllib2.py", line 520, in http_response
'http', request, response, code, msg, hdrs)
File "/usr/lib/python2.7/urllib2.py", line 445, in error
return self._call_chain(*args)
File "/usr/lib/python2.7/urllib2.py", line 379, in _call_chain
result = func(*args)
File "/usr/lib/python2.7/urllib2.py", line 528, in http_error_default
raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
urllib2.HTTPError: HTTP Error 401: Unauthorized