Error marking certificate without private key notify=False

[kevgliss]

2016-12-06 22:11:22,541 ERROR: dictionary update sequence element #0 has length 1; 2 is required [in /apps/lemur/lemur/common/schema.py:158]
Traceback (most recent call last):
  File "/apps/lemur/lemur/common/schema.py", line 156, in decorated_function
    resp = f(*args, **kwargs)
  File "/apps/lemur/lemur/certificates/views.py", line 639, in put
    return dict('Unable to add destination: {0}. Certificate does not have required private key.'.format(destination.label))
ValueError: dictionary update sequence element #0 has length 1; 2 is required