Code review comment for lp:~soren/surveilr/make-it-slightly-useful

The attempt to merge lp:~soren/surveilr/make-it-slightly-useful into lp:surveilr failed. Below is the output from the failed tests.

running nosetests
running egg_info
creating surveilr.egg-info
writing requirements to surveilr.egg-info/requires.txt
writing surveilr.egg-info/PKG-INFO
writing top-level names to surveilr.egg-info/top_level.txt
writing dependency_links to surveilr.egg-info/dependency_links.txt
writing manifest file 'surveilr.egg-info/SOURCES.txt'
reading manifest file 'surveilr.egg-info/SOURCES.txt'
writing manifest file 'surveilr.egg-info/SOURCES.txt'
running build_ext
ok

.EE..
======================================================================
ERROR: test_create_retrieve_metric (test_api_server.APIServerTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/tmpfUlS7f/surveilr/tests/test_api_server.py", line 61, in test_create_retrieve_metric
    resp = application(req)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 161, in __call__
    return self.func(req, *args, **kw)
  File "/tmp/tmpfUlS7f/surveilr/api/server.py", line 125, in __call__
    return getattr(controller, method)(req, **kwargs)
  File "/tmp/tmpfUlS7f/surveilr/api/server.py", line 51, in create
    service.save()
  File "/var/lib/jenkins/riakalchemy/riakalchemy/model.py", line 182, in save
    self._riak_obj = bucket.new(self.key, data=data_dict)
  File "/usr/lib/python2.7/dist-packages/riak/bucket.py", line 218, in new
    raise TypeError('Unicode data values are not supported.')
TypeError: Unicode data values are not supported.

======================================================================
ERROR: Create, retrieve, delete, attempt to retrieve again
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/tmpfUlS7f/surveilr/tests/test_api_server.py", line 42, in test_create_retrieve_service
    resp = application(req)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 161, in __call__
    return self.func(req, *args, **kw)
  File "/tmp/tmpfUlS7f/surveilr/api/server.py", line 125, in __call__
    return getattr(controller, method)(req, **kwargs)
  File "/tmp/tmpfUlS7f/surveilr/api/server.py", line 51, in create
    service.save()
  File "/var/lib/jenkins/riakalchemy/riakalchemy/model.py", line 182, in save
    self._riak_obj = bucket.new(self.key, data=data_dict)
  File "/usr/lib/python2.7/dist-packages/riak/bucket.py", line 218, in new
    raise TypeError('Unicode data values are not supported.')
TypeError: Unicode data values are not supported.

----------------------------------------------------------------------
Ran 5 tests in 0.382s

FAILED (errors=2)